Home / 2,403.19-3,316.21-1,408.33

Finding the Fourth Proportional to 2,403.19, 3,316.21 and 1,408.33

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Solution

The fourth proportional to 2,403.19, 3,316.21 and 1,408.33 is: 1,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.19 : 3,316.21 = 1,408.33 : x
  2. Step 2: Convert to fraction form
    2,403.19/3,316.21 = 1,408.33/x
  3. Step 3: Cross multiply
    2,403.19x = 3,316.21 × 1,408.33
  4. Step 4: Simplify right side
    2,403.19x = 4,670,318.03
  5. Step 5: Solve for x
    x = 4,670,318.03/2,403.19
  6. Step 6: Final answer
    x = 1,943.38

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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.