Home / 1,627.28-2,440.60-473.04

Finding the Fourth Proportional to 1,627.28, 2,440.60 and 473.04

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Solution

The fourth proportional to 1,627.28, 2,440.60 and 473.04 is: 709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.28 : 2,440.60 = 473.04 : x
  2. Step 2: Convert to fraction form
    1,627.28/2,440.60 = 473.04/x
  3. Step 3: Cross multiply
    1,627.28x = 2,440.60 × 473.04
  4. Step 4: Simplify right side
    1,627.28x = 1,154,501.42
  5. Step 5: Solve for x
    x = 1,154,501.42/1,627.28
  6. Step 6: Final answer
    x = 709.47

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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.