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Finding the Fourth Proportional to 1,597.42, 2,381.02 and 1,519.43

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Solution

The fourth proportional to 1,597.42, 2,381.02 and 1,519.43 is: 2,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.42 : 2,381.02 = 1,519.43 : x
  2. Step 2: Convert to fraction form
    1,597.42/2,381.02 = 1,519.43/x
  3. Step 3: Cross multiply
    1,597.42x = 2,381.02 × 1,519.43
  4. Step 4: Simplify right side
    1,597.42x = 3,617,793.22
  5. Step 5: Solve for x
    x = 3,617,793.22/1,597.42
  6. Step 6: Final answer
    x = 2,264.78

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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.