Home / 3,479.28-4,775.06-3,382.08

Finding the Fourth Proportional to 3,479.28, 4,775.06 and 3,382.08

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Solution

The fourth proportional to 3,479.28, 4,775.06 and 3,382.08 is: 4,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.28 : 4,775.06 = 3,382.08 : x
  2. Step 2: Convert to fraction form
    3,479.28/4,775.06 = 3,382.08/x
  3. Step 3: Cross multiply
    3,479.28x = 4,775.06 × 3,382.08
  4. Step 4: Simplify right side
    3,479.28x = 16,149,634.92
  5. Step 5: Solve for x
    x = 16,149,634.92/3,479.28
  6. Step 6: Final answer
    x = 4,641.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.