Home / 2,929.29-4,375.19-2,651.22

Finding the Fourth Proportional to 2,929.29, 4,375.19 and 2,651.22

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Solution

The fourth proportional to 2,929.29, 4,375.19 and 2,651.22 is: 3,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.29 : 4,375.19 = 2,651.22 : x
  2. Step 2: Convert to fraction form
    2,929.29/4,375.19 = 2,651.22/x
  3. Step 3: Cross multiply
    2,929.29x = 4,375.19 × 2,651.22
  4. Step 4: Simplify right side
    2,929.29x = 11,599,591.23
  5. Step 5: Solve for x
    x = 11,599,591.23/2,929.29
  6. Step 6: Final answer
    x = 3,959.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.