Home / 3,440.75-5,156.46-2,207.52

Finding the Fourth Proportional to 3,440.75, 5,156.46 and 2,207.52

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Solution

The fourth proportional to 3,440.75, 5,156.46 and 2,207.52 is: 3,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.75 : 5,156.46 = 2,207.52 : x
  2. Step 2: Convert to fraction form
    3,440.75/5,156.46 = 2,207.52/x
  3. Step 3: Cross multiply
    3,440.75x = 5,156.46 × 2,207.52
  4. Step 4: Simplify right side
    3,440.75x = 11,382,988.58
  5. Step 5: Solve for x
    x = 11,382,988.58/3,440.75
  6. Step 6: Final answer
    x = 3,308.29

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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.