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Finding the Fourth Proportional to 3,959.29, 5,934.40 and 1,876.34

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Solution

The fourth proportional to 3,959.29, 5,934.40 and 1,876.34 is: 2,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.29 : 5,934.40 = 1,876.34 : x
  2. Step 2: Convert to fraction form
    3,959.29/5,934.40 = 1,876.34/x
  3. Step 3: Cross multiply
    3,959.29x = 5,934.40 × 1,876.34
  4. Step 4: Simplify right side
    3,959.29x = 11,134,953.47
  5. Step 5: Solve for x
    x = 11,134,953.47/3,959.29
  6. Step 6: Final answer
    x = 2,812.36

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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.