Home / 1,475.38-2,213.28-501.64

Finding the Fourth Proportional to 1,475.38, 2,213.28 and 501.64

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Solution

The fourth proportional to 1,475.38, 2,213.28 and 501.64 is: 752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.38 : 2,213.28 = 501.64 : x
  2. Step 2: Convert to fraction form
    1,475.38/2,213.28 = 501.64/x
  3. Step 3: Cross multiply
    1,475.38x = 2,213.28 × 501.64
  4. Step 4: Simplify right side
    1,475.38x = 1,110,269.78
  5. Step 5: Solve for x
    x = 1,110,269.78/1,475.38
  6. Step 6: Final answer
    x = 752.53

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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.