Home / 2,689.18-4,034.53-2,432.14

Finding the Fourth Proportional to 2,689.18, 4,034.53 and 2,432.14

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Solution

The fourth proportional to 2,689.18, 4,034.53 and 2,432.14 is: 3,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.18 : 4,034.53 = 2,432.14 : x
  2. Step 2: Convert to fraction form
    2,689.18/4,034.53 = 2,432.14/x
  3. Step 3: Cross multiply
    2,689.18x = 4,034.53 × 2,432.14
  4. Step 4: Simplify right side
    2,689.18x = 9,812,541.79
  5. Step 5: Solve for x
    x = 9,812,541.79/2,689.18
  6. Step 6: Final answer
    x = 3,648.90

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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.