Home / 3,438.46-4,743.26-2,177.29

Finding the Fourth Proportional to 3,438.46, 4,743.26 and 2,177.29

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Solution

The fourth proportional to 3,438.46, 4,743.26 and 2,177.29 is: 3,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.46 : 4,743.26 = 2,177.29 : x
  2. Step 2: Convert to fraction form
    3,438.46/4,743.26 = 2,177.29/x
  3. Step 3: Cross multiply
    3,438.46x = 4,743.26 × 2,177.29
  4. Step 4: Simplify right side
    3,438.46x = 10,327,429.09
  5. Step 5: Solve for x
    x = 10,327,429.09/3,438.46
  6. Step 6: Final answer
    x = 3,003.51

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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.