Home / 3,552.72-4,902.19-1,980.83

Finding the Fourth Proportional to 3,552.72, 4,902.19 and 1,980.83

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Solution

The fourth proportional to 3,552.72, 4,902.19 and 1,980.83 is: 2,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.72 : 4,902.19 = 1,980.83 : x
  2. Step 2: Convert to fraction form
    3,552.72/4,902.19 = 1,980.83/x
  3. Step 3: Cross multiply
    3,552.72x = 4,902.19 × 1,980.83
  4. Step 4: Simplify right side
    3,552.72x = 9,710,375.55
  5. Step 5: Solve for x
    x = 9,710,375.55/3,552.72
  6. Step 6: Final answer
    x = 2,733.22

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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.