Home / 3,279.57-4,524.51-2,161.10

Finding the Fourth Proportional to 3,279.57, 4,524.51 and 2,161.10

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Solution

The fourth proportional to 3,279.57, 4,524.51 and 2,161.10 is: 2,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.57 : 4,524.51 = 2,161.10 : x
  2. Step 2: Convert to fraction form
    3,279.57/4,524.51 = 2,161.10/x
  3. Step 3: Cross multiply
    3,279.57x = 4,524.51 × 2,161.10
  4. Step 4: Simplify right side
    3,279.57x = 9,777,895.94
  5. Step 5: Solve for x
    x = 9,777,895.94/3,279.57
  6. Step 6: Final answer
    x = 2,981.46

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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.