Home / 3,669.50-5,062.68-2,177.90

Finding the Fourth Proportional to 3,669.50, 5,062.68 and 2,177.90

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Solution

The fourth proportional to 3,669.50, 5,062.68 and 2,177.90 is: 3,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.50 : 5,062.68 = 2,177.90 : x
  2. Step 2: Convert to fraction form
    3,669.50/5,062.68 = 2,177.90/x
  3. Step 3: Cross multiply
    3,669.50x = 5,062.68 × 2,177.90
  4. Step 4: Simplify right side
    3,669.50x = 11,026,010.77
  5. Step 5: Solve for x
    x = 11,026,010.77/3,669.50
  6. Step 6: Final answer
    x = 3,004.77

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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.