Home / 2,972.60-4,098.84-2,531.96

Finding the Fourth Proportional to 2,972.60, 4,098.84 and 2,531.96

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Solution

The fourth proportional to 2,972.60, 4,098.84 and 2,531.96 is: 3,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.60 : 4,098.84 = 2,531.96 : x
  2. Step 2: Convert to fraction form
    2,972.60/4,098.84 = 2,531.96/x
  3. Step 3: Cross multiply
    2,972.60x = 4,098.84 × 2,531.96
  4. Step 4: Simplify right side
    2,972.60x = 10,378,098.93
  5. Step 5: Solve for x
    x = 10,378,098.93/2,972.60
  6. Step 6: Final answer
    x = 3,491.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.