Home / 2,334.33-3,221.85-1,340.30

Finding the Fourth Proportional to 2,334.33, 3,221.85 and 1,340.30

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Solution

The fourth proportional to 2,334.33, 3,221.85 and 1,340.30 is: 1,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.33 : 3,221.85 = 1,340.30 : x
  2. Step 2: Convert to fraction form
    2,334.33/3,221.85 = 1,340.30/x
  3. Step 3: Cross multiply
    2,334.33x = 3,221.85 × 1,340.30
  4. Step 4: Simplify right side
    2,334.33x = 4,318,234.47
  5. Step 5: Solve for x
    x = 4,318,234.47/2,334.33
  6. Step 6: Final answer
    x = 1,849.88

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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.