Home / 2,732.60-4,098.90-2,581.40

Finding the Fourth Proportional to 2,732.60, 4,098.90 and 2,581.40

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Solution

The fourth proportional to 2,732.60, 4,098.90 and 2,581.40 is: 3,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.60 : 4,098.90 = 2,581.40 : x
  2. Step 2: Convert to fraction form
    2,732.60/4,098.90 = 2,581.40/x
  3. Step 3: Cross multiply
    2,732.60x = 4,098.90 × 2,581.40
  4. Step 4: Simplify right side
    2,732.60x = 10,580,900.46
  5. Step 5: Solve for x
    x = 10,580,900.46/2,732.60
  6. Step 6: Final answer
    x = 3,872.10

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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.