Home / 2,095.22-3,144.30-863.75

Finding the Fourth Proportional to 2,095.22, 3,144.30 and 863.75

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Solution

The fourth proportional to 2,095.22, 3,144.30 and 863.75 is: 1,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.22 : 3,144.30 = 863.75 : x
  2. Step 2: Convert to fraction form
    2,095.22/3,144.30 = 863.75/x
  3. Step 3: Cross multiply
    2,095.22x = 3,144.30 × 863.75
  4. Step 4: Simplify right side
    2,095.22x = 2,715,889.13
  5. Step 5: Solve for x
    x = 2,715,889.13/2,095.22
  6. Step 6: Final answer
    x = 1,296.23

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1.5x scale

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.