Home / 3,718.08-5,127.54-2,876.09

Finding the Fourth Proportional to 3,718.08, 5,127.54 and 2,876.09

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Solution

The fourth proportional to 3,718.08, 5,127.54 and 2,876.09 is: 3,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.08 : 5,127.54 = 2,876.09 : x
  2. Step 2: Convert to fraction form
    3,718.08/5,127.54 = 2,876.09/x
  3. Step 3: Cross multiply
    3,718.08x = 5,127.54 × 2,876.09
  4. Step 4: Simplify right side
    3,718.08x = 14,747,240.88
  5. Step 5: Solve for x
    x = 14,747,240.88/3,718.08
  6. Step 6: Final answer
    x = 3,966.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.