Home / 3,500.12-5,250.18-903.28

Finding the Fourth Proportional to 3,500.12, 5,250.18 and 903.28

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Solution

The fourth proportional to 3,500.12, 5,250.18 and 903.28 is: 1,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.12 : 5,250.18 = 903.28 : x
  2. Step 2: Convert to fraction form
    3,500.12/5,250.18 = 903.28/x
  3. Step 3: Cross multiply
    3,500.12x = 5,250.18 × 903.28
  4. Step 4: Simplify right side
    3,500.12x = 4,742,382.59
  5. Step 5: Solve for x
    x = 4,742,382.59/3,500.12
  6. Step 6: Final answer
    x = 1,354.92

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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.