Home / 3,278.44-4,524.66-1,881.64

Finding the Fourth Proportional to 3,278.44, 4,524.66 and 1,881.64

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Solution

The fourth proportional to 3,278.44, 4,524.66 and 1,881.64 is: 2,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.44 : 4,524.66 = 1,881.64 : x
  2. Step 2: Convert to fraction form
    3,278.44/4,524.66 = 1,881.64/x
  3. Step 3: Cross multiply
    3,278.44x = 4,524.66 × 1,881.64
  4. Step 4: Simplify right side
    3,278.44x = 8,513,781.24
  5. Step 5: Solve for x
    x = 8,513,781.24/3,278.44
  6. Step 6: Final answer
    x = 2,596.90

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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.