Home / 3,669.12-5,062.08-2,177.28

Finding the Fourth Proportional to 3,669.12, 5,062.08 and 2,177.28

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Solution

The fourth proportional to 3,669.12, 5,062.08 and 2,177.28 is: 3,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.12 : 5,062.08 = 2,177.28 : x
  2. Step 2: Convert to fraction form
    3,669.12/5,062.08 = 2,177.28/x
  3. Step 3: Cross multiply
    3,669.12x = 5,062.08 × 2,177.28
  4. Step 4: Simplify right side
    3,669.12x = 11,021,565.54
  5. Step 5: Solve for x
    x = 11,021,565.54/3,669.12
  6. Step 6: Final answer
    x = 3,003.87

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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.