Home / 3,552.18-4,902.09-1,980.37

Finding the Fourth Proportional to 3,552.18, 4,902.09 and 1,980.37

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Solution

The fourth proportional to 3,552.18, 4,902.09 and 1,980.37 is: 2,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.18 : 4,902.09 = 1,980.37 : x
  2. Step 2: Convert to fraction form
    3,552.18/4,902.09 = 1,980.37/x
  3. Step 3: Cross multiply
    3,552.18x = 4,902.09 × 1,980.37
  4. Step 4: Simplify right side
    3,552.18x = 9,707,951.97
  5. Step 5: Solve for x
    x = 9,707,951.97/3,552.18
  6. Step 6: Final answer
    x = 2,732.96

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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.