Home / 3,261.90-4,871.94-2,610.66

Finding the Fourth Proportional to 3,261.90, 4,871.94 and 2,610.66

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Solution

The fourth proportional to 3,261.90, 4,871.94 and 2,610.66 is: 3,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.90 : 4,871.94 = 2,610.66 : x
  2. Step 2: Convert to fraction form
    3,261.90/4,871.94 = 2,610.66/x
  3. Step 3: Cross multiply
    3,261.90x = 4,871.94 × 2,610.66
  4. Step 4: Simplify right side
    3,261.90x = 12,718,978.88
  5. Step 5: Solve for x
    x = 12,718,978.88/3,261.90
  6. Step 6: Final answer
    x = 3,899.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.