Home / 3,211.25-4,434.14-2,372.90

Finding the Fourth Proportional to 3,211.25, 4,434.14 and 2,372.90

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Solution

The fourth proportional to 3,211.25, 4,434.14 and 2,372.90 is: 3,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.25 : 4,434.14 = 2,372.90 : x
  2. Step 2: Convert to fraction form
    3,211.25/4,434.14 = 2,372.90/x
  3. Step 3: Cross multiply
    3,211.25x = 4,434.14 × 2,372.90
  4. Step 4: Simplify right side
    3,211.25x = 10,521,754.57
  5. Step 5: Solve for x
    x = 10,521,754.57/3,211.25
  6. Step 6: Final answer
    x = 3,276.53

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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.