Home / 3,749.17-5,617.61-1,282.65

Finding the Fourth Proportional to 3,749.17, 5,617.61 and 1,282.65

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Solution

The fourth proportional to 3,749.17, 5,617.61 and 1,282.65 is: 1,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.17 : 5,617.61 = 1,282.65 : x
  2. Step 2: Convert to fraction form
    3,749.17/5,617.61 = 1,282.65/x
  3. Step 3: Cross multiply
    3,749.17x = 5,617.61 × 1,282.65
  4. Step 4: Simplify right side
    3,749.17x = 7,205,399.38
  5. Step 5: Solve for x
    x = 7,205,399.38/3,749.17
  6. Step 6: Final answer
    x = 1,921.87

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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.