Home / 3,449.07-4,760.05-2,123.55

Finding the Fourth Proportional to 3,449.07, 4,760.05 and 2,123.55

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Solution

The fourth proportional to 3,449.07, 4,760.05 and 2,123.55 is: 2,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.07 : 4,760.05 = 2,123.55 : x
  2. Step 2: Convert to fraction form
    3,449.07/4,760.05 = 2,123.55/x
  3. Step 3: Cross multiply
    3,449.07x = 4,760.05 × 2,123.55
  4. Step 4: Simplify right side
    3,449.07x = 10,108,221.39
  5. Step 5: Solve for x
    x = 10,108,221.39/3,449.07
  6. Step 6: Final answer
    x = 2,930.71

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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.