Home / 3,225.08-4,447.68-2,728.76

Finding the Fourth Proportional to 3,225.08, 4,447.68 and 2,728.76

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Solution

The fourth proportional to 3,225.08, 4,447.68 and 2,728.76 is: 3,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.08 : 4,447.68 = 2,728.76 : x
  2. Step 2: Convert to fraction form
    3,225.08/4,447.68 = 2,728.76/x
  3. Step 3: Cross multiply
    3,225.08x = 4,447.68 × 2,728.76
  4. Step 4: Simplify right side
    3,225.08x = 12,136,651.28
  5. Step 5: Solve for x
    x = 12,136,651.28/3,225.08
  6. Step 6: Final answer
    x = 3,763.21

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Half scale
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Double 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.