Home / 3,890.52-5,838.18-2,042.97

Finding the Fourth Proportional to 3,890.52, 5,838.18 and 2,042.97

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Solution

The fourth proportional to 3,890.52, 5,838.18 and 2,042.97 is: 3,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.52 : 5,838.18 = 2,042.97 : x
  2. Step 2: Convert to fraction form
    3,890.52/5,838.18 = 2,042.97/x
  3. Step 3: Cross multiply
    3,890.52x = 5,838.18 × 2,042.97
  4. Step 4: Simplify right side
    3,890.52x = 11,927,192.30
  5. Step 5: Solve for x
    x = 11,927,192.30/3,890.52
  6. Step 6: Final answer
    x = 3,065.70

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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.