Home / 3,839.91-5,760.77-1,242.84

Finding the Fourth Proportional to 3,839.91, 5,760.77 and 1,242.84

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Solution

The fourth proportional to 3,839.91, 5,760.77 and 1,242.84 is: 1,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.91 : 5,760.77 = 1,242.84 : x
  2. Step 2: Convert to fraction form
    3,839.91/5,760.77 = 1,242.84/x
  3. Step 3: Cross multiply
    3,839.91x = 5,760.77 × 1,242.84
  4. Step 4: Simplify right side
    3,839.91x = 7,159,737.77
  5. Step 5: Solve for x
    x = 7,159,737.77/3,839.91
  6. Step 6: Final answer
    x = 1,864.56

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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.