Home / 3,440.42-4,742.79-2,542.84

Finding the Fourth Proportional to 3,440.42, 4,742.79 and 2,542.84

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Solution

The fourth proportional to 3,440.42, 4,742.79 and 2,542.84 is: 3,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.42 : 4,742.79 = 2,542.84 : x
  2. Step 2: Convert to fraction form
    3,440.42/4,742.79 = 2,542.84/x
  3. Step 3: Cross multiply
    3,440.42x = 4,742.79 × 2,542.84
  4. Step 4: Simplify right side
    3,440.42x = 12,060,134.73
  5. Step 5: Solve for x
    x = 12,060,134.73/3,440.42
  6. Step 6: Final answer
    x = 3,505.43

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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.