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Finding the Fourth Proportional to 2,959.00, 4,439.24 and 878.92

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Solution

The fourth proportional to 2,959.00, 4,439.24 and 878.92 is: 1,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.00 : 4,439.24 = 878.92 : x
  2. Step 2: Convert to fraction form
    2,959.00/4,439.24 = 878.92/x
  3. Step 3: Cross multiply
    2,959.00x = 4,439.24 × 878.92
  4. Step 4: Simplify right side
    2,959.00x = 3,901,710.23
  5. Step 5: Solve for x
    x = 3,901,710.23/2,959.00
  6. Step 6: Final answer
    x = 1,318.59

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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.