Home / 3,681.16-5,079.85-2,108.95

Finding the Fourth Proportional to 3,681.16, 5,079.85 and 2,108.95

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Solution

The fourth proportional to 3,681.16, 5,079.85 and 2,108.95 is: 2,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.16 : 5,079.85 = 2,108.95 : x
  2. Step 2: Convert to fraction form
    3,681.16/5,079.85 = 2,108.95/x
  3. Step 3: Cross multiply
    3,681.16x = 5,079.85 × 2,108.95
  4. Step 4: Simplify right side
    3,681.16x = 10,713,149.66
  5. Step 5: Solve for x
    x = 10,713,149.66/3,681.16
  6. Step 6: Final answer
    x = 2,910.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.