Home / 3,278.54-4,523.46-2,020.08

Finding the Fourth Proportional to 3,278.54, 4,523.46 and 2,020.08

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Solution

The fourth proportional to 3,278.54, 4,523.46 and 2,020.08 is: 2,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.54 : 4,523.46 = 2,020.08 : x
  2. Step 2: Convert to fraction form
    3,278.54/4,523.46 = 2,020.08/x
  3. Step 3: Cross multiply
    3,278.54x = 4,523.46 × 2,020.08
  4. Step 4: Simplify right side
    3,278.54x = 9,137,751.08
  5. Step 5: Solve for x
    x = 9,137,751.08/3,278.54
  6. Step 6: Final answer
    x = 2,787.14

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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.