Home / 3,552.60-4,902.48-1,980.96

Finding the Fourth Proportional to 3,552.60, 4,902.48 and 1,980.96

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Solution

The fourth proportional to 3,552.60, 4,902.48 and 1,980.96 is: 2,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.60 : 4,902.48 = 1,980.96 : x
  2. Step 2: Convert to fraction form
    3,552.60/4,902.48 = 1,980.96/x
  3. Step 3: Cross multiply
    3,552.60x = 4,902.48 × 1,980.96
  4. Step 4: Simplify right side
    3,552.60x = 9,711,616.78
  5. Step 5: Solve for x
    x = 9,711,616.78/3,552.60
  6. Step 6: Final answer
    x = 2,733.66

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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.