Home / 3,140.47-4,711.70-2,449.51

Finding the Fourth Proportional to 3,140.47, 4,711.70 and 2,449.51

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Solution

The fourth proportional to 3,140.47, 4,711.70 and 2,449.51 is: 3,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.47 : 4,711.70 = 2,449.51 : x
  2. Step 2: Convert to fraction form
    3,140.47/4,711.70 = 2,449.51/x
  3. Step 3: Cross multiply
    3,140.47x = 4,711.70 × 2,449.51
  4. Step 4: Simplify right side
    3,140.47x = 11,541,350.61
  5. Step 5: Solve for x
    x = 11,541,350.61/3,140.47
  6. Step 6: Final answer
    x = 3,675.04

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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.