Home / 2,118.44-3,177.66-1,144.32

Finding the Fourth Proportional to 2,118.44, 3,177.66 and 1,144.32

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Solution

The fourth proportional to 2,118.44, 3,177.66 and 1,144.32 is: 1,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.44 : 3,177.66 = 1,144.32 : x
  2. Step 2: Convert to fraction form
    2,118.44/3,177.66 = 1,144.32/x
  3. Step 3: Cross multiply
    2,118.44x = 3,177.66 × 1,144.32
  4. Step 4: Simplify right side
    2,118.44x = 3,636,259.89
  5. Step 5: Solve for x
    x = 3,636,259.89/2,118.44
  6. Step 6: Final answer
    x = 1,716.48

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.