Home / 3,108.33-4,661.28-1,159.92

Finding the Fourth Proportional to 3,108.33, 4,661.28 and 1,159.92

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Solution

The fourth proportional to 3,108.33, 4,661.28 and 1,159.92 is: 1,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.33 : 4,661.28 = 1,159.92 : x
  2. Step 2: Convert to fraction form
    3,108.33/4,661.28 = 1,159.92/x
  3. Step 3: Cross multiply
    3,108.33x = 4,661.28 × 1,159.92
  4. Step 4: Simplify right side
    3,108.33x = 5,406,711.90
  5. Step 5: Solve for x
    x = 5,406,711.90/3,108.33
  6. Step 6: Final answer
    x = 1,739.43

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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.