Home / 3,959.66-5,466.82-2,543.98

Finding the Fourth Proportional to 3,959.66, 5,466.82 and 2,543.98

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Solution

The fourth proportional to 3,959.66, 5,466.82 and 2,543.98 is: 3,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.66 : 5,466.82 = 2,543.98 : x
  2. Step 2: Convert to fraction form
    3,959.66/5,466.82 = 2,543.98/x
  3. Step 3: Cross multiply
    3,959.66x = 5,466.82 × 2,543.98
  4. Step 4: Simplify right side
    3,959.66x = 13,907,480.74
  5. Step 5: Solve for x
    x = 13,907,480.74/3,959.66
  6. Step 6: Final answer
    x = 3,512.29

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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.