Home / 3,391.02-5,077.17-2,566.80

Finding the Fourth Proportional to 3,391.02, 5,077.17 and 2,566.80

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Solution

The fourth proportional to 3,391.02, 5,077.17 and 2,566.80 is: 3,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.02 : 5,077.17 = 2,566.80 : x
  2. Step 2: Convert to fraction form
    3,391.02/5,077.17 = 2,566.80/x
  3. Step 3: Cross multiply
    3,391.02x = 5,077.17 × 2,566.80
  4. Step 4: Simplify right side
    3,391.02x = 13,032,079.96
  5. Step 5: Solve for x
    x = 13,032,079.96/3,391.02
  6. Step 6: Final answer
    x = 3,843.12

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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.