Home / 3,876.61-5,818.56-2,029.14

Finding the Fourth Proportional to 3,876.61, 5,818.56 and 2,029.14

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Solution

The fourth proportional to 3,876.61, 5,818.56 and 2,029.14 is: 3,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.61 : 5,818.56 = 2,029.14 : x
  2. Step 2: Convert to fraction form
    3,876.61/5,818.56 = 2,029.14/x
  3. Step 3: Cross multiply
    3,876.61x = 5,818.56 × 2,029.14
  4. Step 4: Simplify right side
    3,876.61x = 11,806,643.75
  5. Step 5: Solve for x
    x = 11,806,643.75/3,876.61
  6. Step 6: Final answer
    x = 3,045.61

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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.