Home / 2,686.03-4,031.35-1,517.18

Finding the Fourth Proportional to 2,686.03, 4,031.35 and 1,517.18

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Solution

The fourth proportional to 2,686.03, 4,031.35 and 1,517.18 is: 2,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.03 : 4,031.35 = 1,517.18 : x
  2. Step 2: Convert to fraction form
    2,686.03/4,031.35 = 1,517.18/x
  3. Step 3: Cross multiply
    2,686.03x = 4,031.35 × 1,517.18
  4. Step 4: Simplify right side
    2,686.03x = 6,116,287.65
  5. Step 5: Solve for x
    x = 6,116,287.65/2,686.03
  6. Step 6: Final answer
    x = 2,277.07

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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.