Home / 1,372.42-2,046.92-1,248.49

Finding the Fourth Proportional to 1,372.42, 2,046.92 and 1,248.49

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Solution

The fourth proportional to 1,372.42, 2,046.92 and 1,248.49 is: 1,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.42 : 2,046.92 = 1,248.49 : x
  2. Step 2: Convert to fraction form
    1,372.42/2,046.92 = 1,248.49/x
  3. Step 3: Cross multiply
    1,372.42x = 2,046.92 × 1,248.49
  4. Step 4: Simplify right side
    1,372.42x = 2,555,559.15
  5. Step 5: Solve for x
    x = 2,555,559.15/1,372.42
  6. Step 6: Final answer
    x = 1,862.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.