Home / 2,731.46-4,098.40-1,432.62

Finding the Fourth Proportional to 2,731.46, 4,098.40 and 1,432.62

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Solution

The fourth proportional to 2,731.46, 4,098.40 and 1,432.62 is: 2,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.46 : 4,098.40 = 1,432.62 : x
  2. Step 2: Convert to fraction form
    2,731.46/4,098.40 = 1,432.62/x
  3. Step 3: Cross multiply
    2,731.46x = 4,098.40 × 1,432.62
  4. Step 4: Simplify right side
    2,731.46x = 5,871,449.81
  5. Step 5: Solve for x
    x = 5,871,449.81/2,731.46
  6. Step 6: Final answer
    x = 2,149.56

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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.