Home / 3,428.60-5,132.10-2,456.60

Finding the Fourth Proportional to 3,428.60, 5,132.10 and 2,456.60

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Solution

The fourth proportional to 3,428.60, 5,132.10 and 2,456.60 is: 3,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.60 : 5,132.10 = 2,456.60 : x
  2. Step 2: Convert to fraction form
    3,428.60/5,132.10 = 2,456.60/x
  3. Step 3: Cross multiply
    3,428.60x = 5,132.10 × 2,456.60
  4. Step 4: Simplify right side
    3,428.60x = 12,607,516.86
  5. Step 5: Solve for x
    x = 12,607,516.86/3,428.60
  6. Step 6: Final answer
    x = 3,677.16

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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.