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Finding the Fourth Proportional to 1,504.67, 2,257.12 and 517.08

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Solution

The fourth proportional to 1,504.67, 2,257.12 and 517.08 is: 775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.67 : 2,257.12 = 517.08 : x
  2. Step 2: Convert to fraction form
    1,504.67/2,257.12 = 517.08/x
  3. Step 3: Cross multiply
    1,504.67x = 2,257.12 × 517.08
  4. Step 4: Simplify right side
    1,504.67x = 1,167,109.02
  5. Step 5: Solve for x
    x = 1,167,109.02/1,504.67
  6. Step 6: Final answer
    x = 775.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.