Home / 3,139.14-4,331.45-2,034.50

Finding the Fourth Proportional to 3,139.14, 4,331.45 and 2,034.50

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Solution

The fourth proportional to 3,139.14, 4,331.45 and 2,034.50 is: 2,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.14 : 4,331.45 = 2,034.50 : x
  2. Step 2: Convert to fraction form
    3,139.14/4,331.45 = 2,034.50/x
  3. Step 3: Cross multiply
    3,139.14x = 4,331.45 × 2,034.50
  4. Step 4: Simplify right side
    3,139.14x = 8,812,335.03
  5. Step 5: Solve for x
    x = 8,812,335.03/3,139.14
  6. Step 6: Final answer
    x = 2,807.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.