Home / 3,901.19-5,851.80-1,089.92

Finding the Fourth Proportional to 3,901.19, 5,851.80 and 1,089.92

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Solution

The fourth proportional to 3,901.19, 5,851.80 and 1,089.92 is: 1,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.19 : 5,851.80 = 1,089.92 : x
  2. Step 2: Convert to fraction form
    3,901.19/5,851.80 = 1,089.92/x
  3. Step 3: Cross multiply
    3,901.19x = 5,851.80 × 1,089.92
  4. Step 4: Simplify right side
    3,901.19x = 6,377,993.86
  5. Step 5: Solve for x
    x = 6,377,993.86/3,901.19
  6. Step 6: Final answer
    x = 1,634.88

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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.