Home / 2,042.55-2,819.34-1,203.19

Finding the Fourth Proportional to 2,042.55, 2,819.34 and 1,203.19

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Solution

The fourth proportional to 2,042.55, 2,819.34 and 1,203.19 is: 1,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.55 : 2,819.34 = 1,203.19 : x
  2. Step 2: Convert to fraction form
    2,042.55/2,819.34 = 1,203.19/x
  3. Step 3: Cross multiply
    2,042.55x = 2,819.34 × 1,203.19
  4. Step 4: Simplify right side
    2,042.55x = 3,392,194.65
  5. Step 5: Solve for x
    x = 3,392,194.65/2,042.55
  6. Step 6: Final answer
    x = 1,660.76

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Half scale
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Double scale
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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.