Home / 2,327.40-3,469.77-2,122.20

Finding the Fourth Proportional to 2,327.40, 3,469.77 and 2,122.20

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Solution

The fourth proportional to 2,327.40, 3,469.77 and 2,122.20 is: 3,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.40 : 3,469.77 = 2,122.20 : x
  2. Step 2: Convert to fraction form
    2,327.40/3,469.77 = 2,122.20/x
  3. Step 3: Cross multiply
    2,327.40x = 3,469.77 × 2,122.20
  4. Step 4: Simplify right side
    2,327.40x = 7,363,545.89
  5. Step 5: Solve for x
    x = 7,363,545.89/2,327.40
  6. Step 6: Final answer
    x = 3,163.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.