Home / 3,642.26-5,026.55-2,149.77

Finding the Fourth Proportional to 3,642.26, 5,026.55 and 2,149.77

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Solution

The fourth proportional to 3,642.26, 5,026.55 and 2,149.77 is: 2,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.26 : 5,026.55 = 2,149.77 : x
  2. Step 2: Convert to fraction form
    3,642.26/5,026.55 = 2,149.77/x
  3. Step 3: Cross multiply
    3,642.26x = 5,026.55 × 2,149.77
  4. Step 4: Simplify right side
    3,642.26x = 10,805,915.64
  5. Step 5: Solve for x
    x = 10,805,915.64/3,642.26
  6. Step 6: Final answer
    x = 2,966.82

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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.