Home / 3,961-5,461.21-2,542.18

Finding the Fourth Proportional to 3,961, 5,461.21 and 2,542.18

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Solution

The fourth proportional to 3,961, 5,461.21 and 2,542.18 is: 3,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961 : 5,461.21 = 2,542.18 : x
  2. Step 2: Convert to fraction form
    3,961/5,461.21 = 2,542.18/x
  3. Step 3: Cross multiply
    3,961x = 5,461.21 × 2,542.18
  4. Step 4: Simplify right side
    3,961x = 13,883,378.84
  5. Step 5: Solve for x
    x = 13,883,378.84/3,961
  6. Step 6: Final answer
    x = 3,505.02

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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.