Home / 2,961.02-4,442.18-881.18

Finding the Fourth Proportional to 2,961.02, 4,442.18 and 881.18

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Solution

The fourth proportional to 2,961.02, 4,442.18 and 881.18 is: 1,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.02 : 4,442.18 = 881.18 : x
  2. Step 2: Convert to fraction form
    2,961.02/4,442.18 = 881.18/x
  3. Step 3: Cross multiply
    2,961.02x = 4,442.18 × 881.18
  4. Step 4: Simplify right side
    2,961.02x = 3,914,350.21
  5. Step 5: Solve for x
    x = 3,914,350.21/2,961.02
  6. Step 6: Final answer
    x = 1,321.96

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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.