Home / 3,301.38-4,553.28-2,805.66

Finding the Fourth Proportional to 3,301.38, 4,553.28 and 2,805.66

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Solution

The fourth proportional to 3,301.38, 4,553.28 and 2,805.66 is: 3,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.38 : 4,553.28 = 2,805.66 : x
  2. Step 2: Convert to fraction form
    3,301.38/4,553.28 = 2,805.66/x
  3. Step 3: Cross multiply
    3,301.38x = 4,553.28 × 2,805.66
  4. Step 4: Simplify right side
    3,301.38x = 12,774,955.56
  5. Step 5: Solve for x
    x = 12,774,955.56/3,301.38
  6. Step 6: Final answer
    x = 3,869.58

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1.5x scale

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.