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Finding the Fourth Proportional to 1,642.56, 2,452.08 and 1,522.56

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Solution

The fourth proportional to 1,642.56, 2,452.08 and 1,522.56 is: 2,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.56 : 2,452.08 = 1,522.56 : x
  2. Step 2: Convert to fraction form
    1,642.56/2,452.08 = 1,522.56/x
  3. Step 3: Cross multiply
    1,642.56x = 2,452.08 × 1,522.56
  4. Step 4: Simplify right side
    1,642.56x = 3,733,438.92
  5. Step 5: Solve for x
    x = 3,733,438.92/1,642.56
  6. Step 6: Final answer
    x = 2,272.94

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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.