Home / 3,280.28-4,523.76-2,443.08

Finding the Fourth Proportional to 3,280.28, 4,523.76 and 2,443.08

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Solution

The fourth proportional to 3,280.28, 4,523.76 and 2,443.08 is: 3,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.28 : 4,523.76 = 2,443.08 : x
  2. Step 2: Convert to fraction form
    3,280.28/4,523.76 = 2,443.08/x
  3. Step 3: Cross multiply
    3,280.28x = 4,523.76 × 2,443.08
  4. Step 4: Simplify right side
    3,280.28x = 11,051,907.58
  5. Step 5: Solve for x
    x = 11,051,907.58/3,280.28
  6. Step 6: Final answer
    x = 3,369.20

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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.