Home / 3,266.85-4,508.23-1,774.75

Finding the Fourth Proportional to 3,266.85, 4,508.23 and 1,774.75

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Solution

The fourth proportional to 3,266.85, 4,508.23 and 1,774.75 is: 2,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.85 : 4,508.23 = 1,774.75 : x
  2. Step 2: Convert to fraction form
    3,266.85/4,508.23 = 1,774.75/x
  3. Step 3: Cross multiply
    3,266.85x = 4,508.23 × 1,774.75
  4. Step 4: Simplify right side
    3,266.85x = 8,000,981.19
  5. Step 5: Solve for x
    x = 8,000,981.19/3,266.85
  6. Step 6: Final answer
    x = 2,449.14

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Half scale
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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.