Home / 3,370.25-5,055.17-1,261.46

Finding the Fourth Proportional to 3,370.25, 5,055.17 and 1,261.46

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Solution

The fourth proportional to 3,370.25, 5,055.17 and 1,261.46 is: 1,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.25 : 5,055.17 = 1,261.46 : x
  2. Step 2: Convert to fraction form
    3,370.25/5,055.17 = 1,261.46/x
  3. Step 3: Cross multiply
    3,370.25x = 5,055.17 × 1,261.46
  4. Step 4: Simplify right side
    3,370.25x = 6,376,863.17
  5. Step 5: Solve for x
    x = 6,376,863.17/3,370.25
  6. Step 6: Final answer
    x = 1,892.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.