Home / 3,440.12-5,156.66-1,357.25

Finding the Fourth Proportional to 3,440.12, 5,156.66 and 1,357.25

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Solution

The fourth proportional to 3,440.12, 5,156.66 and 1,357.25 is: 2,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.12 : 5,156.66 = 1,357.25 : x
  2. Step 2: Convert to fraction form
    3,440.12/5,156.66 = 1,357.25/x
  3. Step 3: Cross multiply
    3,440.12x = 5,156.66 × 1,357.25
  4. Step 4: Simplify right side
    3,440.12x = 6,998,854.39
  5. Step 5: Solve for x
    x = 6,998,854.39/3,440.12
  6. Step 6: Final answer
    x = 2,034.48

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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.