Home / 4,121.36-5,687.45-2,232.89

Finding the Fourth Proportional to 4,121.36, 5,687.45 and 2,232.89

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Solution

The fourth proportional to 4,121.36, 5,687.45 and 2,232.89 is: 3,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.36 : 5,687.45 = 2,232.89 : x
  2. Step 2: Convert to fraction form
    4,121.36/5,687.45 = 2,232.89/x
  3. Step 3: Cross multiply
    4,121.36x = 5,687.45 × 2,232.89
  4. Step 4: Simplify right side
    4,121.36x = 12,699,453.28
  5. Step 5: Solve for x
    x = 12,699,453.28/4,121.36
  6. Step 6: Final answer
    x = 3,081.38

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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.