Home / 2,959.11-4,439.33-879.27

Finding the Fourth Proportional to 2,959.11, 4,439.33 and 879.27

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Solution

The fourth proportional to 2,959.11, 4,439.33 and 879.27 is: 1,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.11 : 4,439.33 = 879.27 : x
  2. Step 2: Convert to fraction form
    2,959.11/4,439.33 = 879.27/x
  3. Step 3: Cross multiply
    2,959.11x = 4,439.33 × 879.27
  4. Step 4: Simplify right side
    2,959.11x = 3,903,365.29
  5. Step 5: Solve for x
    x = 3,903,365.29/2,959.11
  6. Step 6: Final answer
    x = 1,319.10

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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.