Home / 3,386.30-5,080.34-2,734.11

Finding the Fourth Proportional to 3,386.30, 5,080.34 and 2,734.11

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Solution

The fourth proportional to 3,386.30, 5,080.34 and 2,734.11 is: 4,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.30 : 5,080.34 = 2,734.11 : x
  2. Step 2: Convert to fraction form
    3,386.30/5,080.34 = 2,734.11/x
  3. Step 3: Cross multiply
    3,386.30x = 5,080.34 × 2,734.11
  4. Step 4: Simplify right side
    3,386.30x = 13,890,215.23
  5. Step 5: Solve for x
    x = 13,890,215.23/3,386.30
  6. Step 6: Final answer
    x = 4,101.89

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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.