Home / 3,127.41-4,691.12-2,539.62

Finding the Fourth Proportional to 3,127.41, 4,691.12 and 2,539.62

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Solution

The fourth proportional to 3,127.41, 4,691.12 and 2,539.62 is: 3,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.41 : 4,691.12 = 2,539.62 : x
  2. Step 2: Convert to fraction form
    3,127.41/4,691.12 = 2,539.62/x
  3. Step 3: Cross multiply
    3,127.41x = 4,691.12 × 2,539.62
  4. Step 4: Simplify right side
    3,127.41x = 11,913,672.92
  5. Step 5: Solve for x
    x = 11,913,672.92/3,127.41
  6. Step 6: Final answer
    x = 3,809.44

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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.