Home / 3,449.75-4,761.02-2,123.43

Finding the Fourth Proportional to 3,449.75, 4,761.02 and 2,123.43

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Solution

The fourth proportional to 3,449.75, 4,761.02 and 2,123.43 is: 2,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.75 : 4,761.02 = 2,123.43 : x
  2. Step 2: Convert to fraction form
    3,449.75/4,761.02 = 2,123.43/x
  3. Step 3: Cross multiply
    3,449.75x = 4,761.02 × 2,123.43
  4. Step 4: Simplify right side
    3,449.75x = 10,109,698.01
  5. Step 5: Solve for x
    x = 10,109,698.01/3,449.75
  6. Step 6: Final answer
    x = 2,930.56

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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.