Home / 3,226.59-4,839.48-1,280.16

Finding the Fourth Proportional to 3,226.59, 4,839.48 and 1,280.16

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Solution

The fourth proportional to 3,226.59, 4,839.48 and 1,280.16 is: 1,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.59 : 4,839.48 = 1,280.16 : x
  2. Step 2: Convert to fraction form
    3,226.59/4,839.48 = 1,280.16/x
  3. Step 3: Cross multiply
    3,226.59x = 4,839.48 × 1,280.16
  4. Step 4: Simplify right side
    3,226.59x = 6,195,308.72
  5. Step 5: Solve for x
    x = 6,195,308.72/3,226.59
  6. Step 6: Final answer
    x = 1,920.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.