Home / 3,225.80-4,446.29-2,280.37

Finding the Fourth Proportional to 3,225.80, 4,446.29 and 2,280.37

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Solution

The fourth proportional to 3,225.80, 4,446.29 and 2,280.37 is: 3,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.80 : 4,446.29 = 2,280.37 : x
  2. Step 2: Convert to fraction form
    3,225.80/4,446.29 = 2,280.37/x
  3. Step 3: Cross multiply
    3,225.80x = 4,446.29 × 2,280.37
  4. Step 4: Simplify right side
    3,225.80x = 10,139,174.93
  5. Step 5: Solve for x
    x = 10,139,174.93/3,225.80
  6. Step 6: Final answer
    x = 3,143.16

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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.