Home / 3,419.24-5,126.26-1,340.73

Finding the Fourth Proportional to 3,419.24, 5,126.26 and 1,340.73

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Solution

The fourth proportional to 3,419.24, 5,126.26 and 1,340.73 is: 2,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.24 : 5,126.26 = 1,340.73 : x
  2. Step 2: Convert to fraction form
    3,419.24/5,126.26 = 1,340.73/x
  3. Step 3: Cross multiply
    3,419.24x = 5,126.26 × 1,340.73
  4. Step 4: Simplify right side
    3,419.24x = 6,872,930.57
  5. Step 5: Solve for x
    x = 6,872,930.57/3,419.24
  6. Step 6: Final answer
    x = 2,010.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.