Home / 3,124.44-4,687.64-1,876.47

Finding the Fourth Proportional to 3,124.44, 4,687.64 and 1,876.47

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Solution

The fourth proportional to 3,124.44, 4,687.64 and 1,876.47 is: 2,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.44 : 4,687.64 = 1,876.47 : x
  2. Step 2: Convert to fraction form
    3,124.44/4,687.64 = 1,876.47/x
  3. Step 3: Cross multiply
    3,124.44x = 4,687.64 × 1,876.47
  4. Step 4: Simplify right side
    3,124.44x = 8,796,195.91
  5. Step 5: Solve for x
    x = 8,796,195.91/3,124.44
  6. Step 6: Final answer
    x = 2,815.29

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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.