Home / 3,298.11-4,551.22-1,805.75

Finding the Fourth Proportional to 3,298.11, 4,551.22 and 1,805.75

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Solution

The fourth proportional to 3,298.11, 4,551.22 and 1,805.75 is: 2,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.11 : 4,551.22 = 1,805.75 : x
  2. Step 2: Convert to fraction form
    3,298.11/4,551.22 = 1,805.75/x
  3. Step 3: Cross multiply
    3,298.11x = 4,551.22 × 1,805.75
  4. Step 4: Simplify right side
    3,298.11x = 8,218,338.24
  5. Step 5: Solve for x
    x = 8,218,338.24/3,298.11
  6. Step 6: Final answer
    x = 2,491.83

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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.