Home / 2,972.10-4,098.15-2,531.46

Finding the Fourth Proportional to 2,972.10, 4,098.15 and 2,531.46

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Solution

The fourth proportional to 2,972.10, 4,098.15 and 2,531.46 is: 3,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.10 : 4,098.15 = 2,531.46 : x
  2. Step 2: Convert to fraction form
    2,972.10/4,098.15 = 2,531.46/x
  3. Step 3: Cross multiply
    2,972.10x = 4,098.15 × 2,531.46
  4. Step 4: Simplify right side
    2,972.10x = 10,374,302.80
  5. Step 5: Solve for x
    x = 10,374,302.80/2,972.10
  6. Step 6: Final answer
    x = 3,490.56

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1.5x scale

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.