Home / 2,682.98-4,025.28-2,218.66

Finding the Fourth Proportional to 2,682.98, 4,025.28 and 2,218.66

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Solution

The fourth proportional to 2,682.98, 4,025.28 and 2,218.66 is: 3,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.98 : 4,025.28 = 2,218.66 : x
  2. Step 2: Convert to fraction form
    2,682.98/4,025.28 = 2,218.66/x
  3. Step 3: Cross multiply
    2,682.98x = 4,025.28 × 2,218.66
  4. Step 4: Simplify right side
    2,682.98x = 8,930,727.72
  5. Step 5: Solve for x
    x = 8,930,727.72/2,682.98
  6. Step 6: Final answer
    x = 3,328.66

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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.