Home / 2,250.85-3,104.92-1,319.17

Finding the Fourth Proportional to 2,250.85, 3,104.92 and 1,319.17

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Solution

The fourth proportional to 2,250.85, 3,104.92 and 1,319.17 is: 1,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.85 : 3,104.92 = 1,319.17 : x
  2. Step 2: Convert to fraction form
    2,250.85/3,104.92 = 1,319.17/x
  3. Step 3: Cross multiply
    2,250.85x = 3,104.92 × 1,319.17
  4. Step 4: Simplify right side
    2,250.85x = 4,095,917.32
  5. Step 5: Solve for x
    x = 4,095,917.32/2,250.85
  6. Step 6: Final answer
    x = 1,819.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.