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Finding the Fourth Proportional to 1,452, 2,000.96 and 927.12

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Solution

The fourth proportional to 1,452, 2,000.96 and 927.12 is: 1,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452 : 2,000.96 = 927.12 : x
  2. Step 2: Convert to fraction form
    1,452/2,000.96 = 927.12/x
  3. Step 3: Cross multiply
    1,452x = 2,000.96 × 927.12
  4. Step 4: Simplify right side
    1,452x = 1,855,130.04
  5. Step 5: Solve for x
    x = 1,855,130.04/1,452
  6. Step 6: Final answer
    x = 1,277.64

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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.