Home / 3,881.18-5,362.31-2,707.49

Finding the Fourth Proportional to 3,881.18, 5,362.31 and 2,707.49

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Solution

The fourth proportional to 3,881.18, 5,362.31 and 2,707.49 is: 3,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.18 : 5,362.31 = 2,707.49 : x
  2. Step 2: Convert to fraction form
    3,881.18/5,362.31 = 2,707.49/x
  3. Step 3: Cross multiply
    3,881.18x = 5,362.31 × 2,707.49
  4. Step 4: Simplify right side
    3,881.18x = 14,518,420.88
  5. Step 5: Solve for x
    x = 14,518,420.88/3,881.18
  6. Step 6: Final answer
    x = 3,740.72

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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.