Home / 1,621.28-2,432-467.04

Finding the Fourth Proportional to 1,621.28, 2,432 and 467.04

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Solution

The fourth proportional to 1,621.28, 2,432 and 467.04 is: 700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.28 : 2,432 = 467.04 : x
  2. Step 2: Convert to fraction form
    1,621.28/2,432 = 467.04/x
  3. Step 3: Cross multiply
    1,621.28x = 2,432 × 467.04
  4. Step 4: Simplify right side
    1,621.28x = 1,135,841.28
  5. Step 5: Solve for x
    x = 1,135,841.28/1,621.28
  6. Step 6: Final answer
    x = 700.58

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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.