Home / 2,659.29-3,989.20-1,017.22

Finding the Fourth Proportional to 2,659.29, 3,989.20 and 1,017.22

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Solution

The fourth proportional to 2,659.29, 3,989.20 and 1,017.22 is: 1,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.29 : 3,989.20 = 1,017.22 : x
  2. Step 2: Convert to fraction form
    2,659.29/3,989.20 = 1,017.22/x
  3. Step 3: Cross multiply
    2,659.29x = 3,989.20 × 1,017.22
  4. Step 4: Simplify right side
    2,659.29x = 4,057,874.08
  5. Step 5: Solve for x
    x = 4,057,874.08/2,659.29
  6. Step 6: Final answer
    x = 1,525.93

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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.