Home / 3,132.38-4,700.43-1,159.40

Finding the Fourth Proportional to 3,132.38, 4,700.43 and 1,159.40

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Solution

The fourth proportional to 3,132.38, 4,700.43 and 1,159.40 is: 1,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.38 : 4,700.43 = 1,159.40 : x
  2. Step 2: Convert to fraction form
    3,132.38/4,700.43 = 1,159.40/x
  3. Step 3: Cross multiply
    3,132.38x = 4,700.43 × 1,159.40
  4. Step 4: Simplify right side
    3,132.38x = 5,449,668.32
  5. Step 5: Solve for x
    x = 5,449,668.32/3,132.38
  6. Step 6: Final answer
    x = 1,739.78

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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.