Home / 3,276.05-4,920.38-2,808.59

Finding the Fourth Proportional to 3,276.05, 4,920.38 and 2,808.59

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Solution

The fourth proportional to 3,276.05, 4,920.38 and 2,808.59 is: 4,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.05 : 4,920.38 = 2,808.59 : x
  2. Step 2: Convert to fraction form
    3,276.05/4,920.38 = 2,808.59/x
  3. Step 3: Cross multiply
    3,276.05x = 4,920.38 × 2,808.59
  4. Step 4: Simplify right side
    3,276.05x = 13,819,330.06
  5. Step 5: Solve for x
    x = 13,819,330.06/3,276.05
  6. Step 6: Final answer
    x = 4,218.29

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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.