Home / 3,207.71-4,807.61-2,278.23

Finding the Fourth Proportional to 3,207.71, 4,807.61 and 2,278.23

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Solution

The fourth proportional to 3,207.71, 4,807.61 and 2,278.23 is: 3,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.71 : 4,807.61 = 2,278.23 : x
  2. Step 2: Convert to fraction form
    3,207.71/4,807.61 = 2,278.23/x
  3. Step 3: Cross multiply
    3,207.71x = 4,807.61 × 2,278.23
  4. Step 4: Simplify right side
    3,207.71x = 10,952,829.94
  5. Step 5: Solve for x
    x = 10,952,829.94/3,207.71
  6. Step 6: Final answer
    x = 3,414.54

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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.