Home / 3,467.28-5,200.32-1,387.52

Finding the Fourth Proportional to 3,467.28, 5,200.32 and 1,387.52

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Solution

The fourth proportional to 3,467.28, 5,200.32 and 1,387.52 is: 2,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.28 : 5,200.32 = 1,387.52 : x
  2. Step 2: Convert to fraction form
    3,467.28/5,200.32 = 1,387.52/x
  3. Step 3: Cross multiply
    3,467.28x = 5,200.32 × 1,387.52
  4. Step 4: Simplify right side
    3,467.28x = 7,215,548.01
  5. Step 5: Solve for x
    x = 7,215,548.01/3,467.28
  6. Step 6: Final answer
    x = 2,081.04

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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.