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Finding the Fourth Proportional to 1,027.60, 1,542.96 and 897.52

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Solution

The fourth proportional to 1,027.60, 1,542.96 and 897.52 is: 1,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.60 : 1,542.96 = 897.52 : x
  2. Step 2: Convert to fraction form
    1,027.60/1,542.96 = 897.52/x
  3. Step 3: Cross multiply
    1,027.60x = 1,542.96 × 897.52
  4. Step 4: Simplify right side
    1,027.60x = 1,384,837.46
  5. Step 5: Solve for x
    x = 1,384,837.46/1,027.60
  6. Step 6: Final answer
    x = 1,347.64

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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.