Home / 3,176.85-4,374.26-2,822.15

Finding the Fourth Proportional to 3,176.85, 4,374.26 and 2,822.15

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Solution

The fourth proportional to 3,176.85, 4,374.26 and 2,822.15 is: 3,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.85 : 4,374.26 = 2,822.15 : x
  2. Step 2: Convert to fraction form
    3,176.85/4,374.26 = 2,822.15/x
  3. Step 3: Cross multiply
    3,176.85x = 4,374.26 × 2,822.15
  4. Step 4: Simplify right side
    3,176.85x = 12,344,832.94
  5. Step 5: Solve for x
    x = 12,344,832.94/3,176.85
  6. Step 6: Final answer
    x = 3,885.88

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1.5x scale

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.