Home / 3,318.42-4,581.16-2,261.76

Finding the Fourth Proportional to 3,318.42, 4,581.16 and 2,261.76

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Solution

The fourth proportional to 3,318.42, 4,581.16 and 2,261.76 is: 3,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.42 : 4,581.16 = 2,261.76 : x
  2. Step 2: Convert to fraction form
    3,318.42/4,581.16 = 2,261.76/x
  3. Step 3: Cross multiply
    3,318.42x = 4,581.16 × 2,261.76
  4. Step 4: Simplify right side
    3,318.42x = 10,361,484.44
  5. Step 5: Solve for x
    x = 10,361,484.44/3,318.42
  6. Step 6: Final answer
    x = 3,122.42

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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.