Home / 3,192.31-4,401.75-2,247.80

Finding the Fourth Proportional to 3,192.31, 4,401.75 and 2,247.80

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Solution

The fourth proportional to 3,192.31, 4,401.75 and 2,247.80 is: 3,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.31 : 4,401.75 = 2,247.80 : x
  2. Step 2: Convert to fraction form
    3,192.31/4,401.75 = 2,247.80/x
  3. Step 3: Cross multiply
    3,192.31x = 4,401.75 × 2,247.80
  4. Step 4: Simplify right side
    3,192.31x = 9,894,231.64
  5. Step 5: Solve for x
    x = 9,894,231.64/3,192.31
  6. Step 6: Final answer
    x = 3,099.40

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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.