Home / 3,466.20-5,200.11-1,126.20

Finding the Fourth Proportional to 3,466.20, 5,200.11 and 1,126.20

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Solution

The fourth proportional to 3,466.20, 5,200.11 and 1,126.20 is: 1,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.20 : 5,200.11 = 1,126.20 : x
  2. Step 2: Convert to fraction form
    3,466.20/5,200.11 = 1,126.20/x
  3. Step 3: Cross multiply
    3,466.20x = 5,200.11 × 1,126.20
  4. Step 4: Simplify right side
    3,466.20x = 5,856,363.88
  5. Step 5: Solve for x
    x = 5,856,363.88/3,466.20
  6. Step 6: Final answer
    x = 1,689.56

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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.