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Finding the Fourth Proportional to 1,746.76, 2,408.03 and 1,249.21

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Solution

The fourth proportional to 1,746.76, 2,408.03 and 1,249.21 is: 1,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.76 : 2,408.03 = 1,249.21 : x
  2. Step 2: Convert to fraction form
    1,746.76/2,408.03 = 1,249.21/x
  3. Step 3: Cross multiply
    1,746.76x = 2,408.03 × 1,249.21
  4. Step 4: Simplify right side
    1,746.76x = 3,008,135.16
  5. Step 5: Solve for x
    x = 3,008,135.16/1,746.76
  6. Step 6: Final answer
    x = 1,722.12

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.