Home / 3,217.53-4,433.27-2,167.77

Finding the Fourth Proportional to 3,217.53, 4,433.27 and 2,167.77

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Solution

The fourth proportional to 3,217.53, 4,433.27 and 2,167.77 is: 2,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.53 : 4,433.27 = 2,167.77 : x
  2. Step 2: Convert to fraction form
    3,217.53/4,433.27 = 2,167.77/x
  3. Step 3: Cross multiply
    3,217.53x = 4,433.27 × 2,167.77
  4. Step 4: Simplify right side
    3,217.53x = 9,610,298.87
  5. Step 5: Solve for x
    x = 9,610,298.87/3,217.53
  6. Step 6: Final answer
    x = 2,986.86

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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.