Home / 3,278.90-4,524.84-2,284.74

Finding the Fourth Proportional to 3,278.90, 4,524.84 and 2,284.74

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Solution

The fourth proportional to 3,278.90, 4,524.84 and 2,284.74 is: 3,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.90 : 4,524.84 = 2,284.74 : x
  2. Step 2: Convert to fraction form
    3,278.90/4,524.84 = 2,284.74/x
  3. Step 3: Cross multiply
    3,278.90x = 4,524.84 × 2,284.74
  4. Step 4: Simplify right side
    3,278.90x = 10,338,082.94
  5. Step 5: Solve for x
    x = 10,338,082.94/3,278.90
  6. Step 6: Final answer
    x = 3,152.92

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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.