Home / 3,961.02-5,466.28-2,192.80

Finding the Fourth Proportional to 3,961.02, 5,466.28 and 2,192.80

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Solution

The fourth proportional to 3,961.02, 5,466.28 and 2,192.80 is: 3,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.02 : 5,466.28 = 2,192.80 : x
  2. Step 2: Convert to fraction form
    3,961.02/5,466.28 = 2,192.80/x
  3. Step 3: Cross multiply
    3,961.02x = 5,466.28 × 2,192.80
  4. Step 4: Simplify right side
    3,961.02x = 11,986,458.78
  5. Step 5: Solve for x
    x = 11,986,458.78/3,961.02
  6. Step 6: Final answer
    x = 3,026.10

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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.