Home / 3,566.75-4,920.89-2,149.90

Finding the Fourth Proportional to 3,566.75, 4,920.89 and 2,149.90

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Solution

The fourth proportional to 3,566.75, 4,920.89 and 2,149.90 is: 2,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.75 : 4,920.89 = 2,149.90 : x
  2. Step 2: Convert to fraction form
    3,566.75/4,920.89 = 2,149.90/x
  3. Step 3: Cross multiply
    3,566.75x = 4,920.89 × 2,149.90
  4. Step 4: Simplify right side
    3,566.75x = 10,579,398.36
  5. Step 5: Solve for x
    x = 10,579,398.36/3,566.75
  6. Step 6: Final answer
    x = 2,966.12

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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.