Home / 3,167.16-4,366.44-2,221.68

Finding the Fourth Proportional to 3,167.16, 4,366.44 and 2,221.68

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Solution

The fourth proportional to 3,167.16, 4,366.44 and 2,221.68 is: 3,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.16 : 4,366.44 = 2,221.68 : x
  2. Step 2: Convert to fraction form
    3,167.16/4,366.44 = 2,221.68/x
  3. Step 3: Cross multiply
    3,167.16x = 4,366.44 × 2,221.68
  4. Step 4: Simplify right side
    3,167.16x = 9,700,832.42
  5. Step 5: Solve for x
    x = 9,700,832.42/3,167.16
  6. Step 6: Final answer
    x = 3,062.94

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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.