Home / 3,867.31-5,335.15-2,607.96

Finding the Fourth Proportional to 3,867.31, 5,335.15 and 2,607.96

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Solution

The fourth proportional to 3,867.31, 5,335.15 and 2,607.96 is: 3,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.31 : 5,335.15 = 2,607.96 : x
  2. Step 2: Convert to fraction form
    3,867.31/5,335.15 = 2,607.96/x
  3. Step 3: Cross multiply
    3,867.31x = 5,335.15 × 2,607.96
  4. Step 4: Simplify right side
    3,867.31x = 13,913,857.79
  5. Step 5: Solve for x
    x = 13,913,857.79/3,867.31
  6. Step 6: Final answer
    x = 3,597.81

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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.