Home / 3,508.05-5,261.05-2,890.23

Finding the Fourth Proportional to 3,508.05, 5,261.05 and 2,890.23

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Solution

The fourth proportional to 3,508.05, 5,261.05 and 2,890.23 is: 4,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.05 : 5,261.05 = 2,890.23 : x
  2. Step 2: Convert to fraction form
    3,508.05/5,261.05 = 2,890.23/x
  3. Step 3: Cross multiply
    3,508.05x = 5,261.05 × 2,890.23
  4. Step 4: Simplify right side
    3,508.05x = 15,205,628.43
  5. Step 5: Solve for x
    x = 15,205,628.43/3,508.05
  6. Step 6: Final answer
    x = 4,334.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.