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Finding the Fourth Proportional to 1,497, 2,067.48 and 1,032.60

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Solution

The fourth proportional to 1,497, 2,067.48 and 1,032.60 is: 1,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497 : 2,067.48 = 1,032.60 : x
  2. Step 2: Convert to fraction form
    1,497/2,067.48 = 1,032.60/x
  3. Step 3: Cross multiply
    1,497x = 2,067.48 × 1,032.60
  4. Step 4: Simplify right side
    1,497x = 2,134,879.85
  5. Step 5: Solve for x
    x = 2,134,879.85/1,497
  6. Step 6: Final answer
    x = 1,426.11

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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.