Home / 2,010.92-2,775.62-1,224.96

Finding the Fourth Proportional to 2,010.92, 2,775.62 and 1,224.96

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Solution

The fourth proportional to 2,010.92, 2,775.62 and 1,224.96 is: 1,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.92 : 2,775.62 = 1,224.96 : x
  2. Step 2: Convert to fraction form
    2,010.92/2,775.62 = 1,224.96/x
  3. Step 3: Cross multiply
    2,010.92x = 2,775.62 × 1,224.96
  4. Step 4: Simplify right side
    2,010.92x = 3,400,023.48
  5. Step 5: Solve for x
    x = 3,400,023.48/2,010.92
  6. Step 6: Final answer
    x = 1,690.78

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Half scale
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Double scale
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Similar ratio
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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.