Home / 3,761.38-5,643.28-1,296.34

Finding the Fourth Proportional to 3,761.38, 5,643.28 and 1,296.34

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Solution

The fourth proportional to 3,761.38, 5,643.28 and 1,296.34 is: 1,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.38 : 5,643.28 = 1,296.34 : x
  2. Step 2: Convert to fraction form
    3,761.38/5,643.28 = 1,296.34/x
  3. Step 3: Cross multiply
    3,761.38x = 5,643.28 × 1,296.34
  4. Step 4: Simplify right side
    3,761.38x = 7,315,609.60
  5. Step 5: Solve for x
    x = 7,315,609.60/3,761.38
  6. Step 6: Final answer
    x = 1,944.93

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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.