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Finding the Fourth Proportional to 1,479.70, 2,041.50 and 956.04

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Solution

The fourth proportional to 1,479.70, 2,041.50 and 956.04 is: 1,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.70 : 2,041.50 = 956.04 : x
  2. Step 2: Convert to fraction form
    1,479.70/2,041.50 = 956.04/x
  3. Step 3: Cross multiply
    1,479.70x = 2,041.50 × 956.04
  4. Step 4: Simplify right side
    1,479.70x = 1,951,755.66
  5. Step 5: Solve for x
    x = 1,951,755.66/1,479.70
  6. Step 6: Final answer
    x = 1,319.02

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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.