Home / 3,129.59-4,694.36-2,541.79

Finding the Fourth Proportional to 3,129.59, 4,694.36 and 2,541.79

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Solution

The fourth proportional to 3,129.59, 4,694.36 and 2,541.79 is: 3,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.59 : 4,694.36 = 2,541.79 : x
  2. Step 2: Convert to fraction form
    3,129.59/4,694.36 = 2,541.79/x
  3. Step 3: Cross multiply
    3,129.59x = 4,694.36 × 2,541.79
  4. Step 4: Simplify right side
    3,129.59x = 11,932,077.30
  5. Step 5: Solve for x
    x = 11,932,077.30/3,129.59
  6. Step 6: Final answer
    x = 3,812.66

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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.