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Finding the Fourth Proportional to 1,512.60, 2,086.62 and 952.92

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Solution

The fourth proportional to 1,512.60, 2,086.62 and 952.92 is: 1,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.60 : 2,086.62 = 952.92 : x
  2. Step 2: Convert to fraction form
    1,512.60/2,086.62 = 952.92/x
  3. Step 3: Cross multiply
    1,512.60x = 2,086.62 × 952.92
  4. Step 4: Simplify right side
    1,512.60x = 1,988,381.93
  5. Step 5: Solve for x
    x = 1,988,381.93/1,512.60
  6. Step 6: Final answer
    x = 1,314.55

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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.