Home / 3,961.18-5,466.70-2,192.90

Finding the Fourth Proportional to 3,961.18, 5,466.70 and 2,192.90

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Solution

The fourth proportional to 3,961.18, 5,466.70 and 2,192.90 is: 3,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.18 : 5,466.70 = 2,192.90 : x
  2. Step 2: Convert to fraction form
    3,961.18/5,466.70 = 2,192.90/x
  3. Step 3: Cross multiply
    3,961.18x = 5,466.70 × 2,192.90
  4. Step 4: Simplify right side
    3,961.18x = 11,987,899.10
  5. Step 5: Solve for x
    x = 11,987,899.10/3,961.18
  6. Step 6: Final answer
    x = 3,026.35

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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.