Home / 2,681.98-4,023.78-2,217.66

Finding the Fourth Proportional to 2,681.98, 4,023.78 and 2,217.66

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Solution

The fourth proportional to 2,681.98, 4,023.78 and 2,217.66 is: 3,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.98 : 4,023.78 = 2,217.66 : x
  2. Step 2: Convert to fraction form
    2,681.98/4,023.78 = 2,217.66/x
  3. Step 3: Cross multiply
    2,681.98x = 4,023.78 × 2,217.66
  4. Step 4: Simplify right side
    2,681.98x = 8,923,375.95
  5. Step 5: Solve for x
    x = 8,923,375.95/2,681.98
  6. Step 6: Final answer
    x = 3,327.16

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1.5x scale

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.