Home / 2,959.11-4,436.37-1,916.91

Finding the Fourth Proportional to 2,959.11, 4,436.37 and 1,916.91

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Solution

The fourth proportional to 2,959.11, 4,436.37 and 1,916.91 is: 2,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.11 : 4,436.37 = 1,916.91 : x
  2. Step 2: Convert to fraction form
    2,959.11/4,436.37 = 1,916.91/x
  3. Step 3: Cross multiply
    2,959.11x = 4,436.37 × 1,916.91
  4. Step 4: Simplify right side
    2,959.11x = 8,504,122.02
  5. Step 5: Solve for x
    x = 8,504,122.02/2,959.11
  6. Step 6: Final answer
    x = 2,873.88

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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.