Home / 2,916.54-4,371.17-2,082.31

Finding the Fourth Proportional to 2,916.54, 4,371.17 and 2,082.31

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Solution

The fourth proportional to 2,916.54, 4,371.17 and 2,082.31 is: 3,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.54 : 4,371.17 = 2,082.31 : x
  2. Step 2: Convert to fraction form
    2,916.54/4,371.17 = 2,082.31/x
  3. Step 3: Cross multiply
    2,916.54x = 4,371.17 × 2,082.31
  4. Step 4: Simplify right side
    2,916.54x = 9,102,109.66
  5. Step 5: Solve for x
    x = 9,102,109.66/2,916.54
  6. Step 6: Final answer
    x = 3,120.86

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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.