Home / 2,580.96-3,565.44-1,998.96

Finding the Fourth Proportional to 2,580.96, 3,565.44 and 1,998.96

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Solution

The fourth proportional to 2,580.96, 3,565.44 and 1,998.96 is: 2,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.96 : 3,565.44 = 1,998.96 : x
  2. Step 2: Convert to fraction form
    2,580.96/3,565.44 = 1,998.96/x
  3. Step 3: Cross multiply
    2,580.96x = 3,565.44 × 1,998.96
  4. Step 4: Simplify right side
    2,580.96x = 7,127,171.94
  5. Step 5: Solve for x
    x = 7,127,171.94/2,580.96
  6. Step 6: Final answer
    x = 2,761.44

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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.