Home / 3,640.13-5,459.72-1,174.69

Finding the Fourth Proportional to 3,640.13, 5,459.72 and 1,174.69

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Solution

The fourth proportional to 3,640.13, 5,459.72 and 1,174.69 is: 1,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.13 : 5,459.72 = 1,174.69 : x
  2. Step 2: Convert to fraction form
    3,640.13/5,459.72 = 1,174.69/x
  3. Step 3: Cross multiply
    3,640.13x = 5,459.72 × 1,174.69
  4. Step 4: Simplify right side
    3,640.13x = 6,413,467.77
  5. Step 5: Solve for x
    x = 6,413,467.77/3,640.13
  6. Step 6: Final answer
    x = 1,761.88

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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.