Home / 2,224.30-3,336.55-743.65

Finding the Fourth Proportional to 2,224.30, 3,336.55 and 743.65

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Solution

The fourth proportional to 2,224.30, 3,336.55 and 743.65 is: 1,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.30 : 3,336.55 = 743.65 : x
  2. Step 2: Convert to fraction form
    2,224.30/3,336.55 = 743.65/x
  3. Step 3: Cross multiply
    2,224.30x = 3,336.55 × 743.65
  4. Step 4: Simplify right side
    2,224.30x = 2,481,227.72
  5. Step 5: Solve for x
    x = 2,481,227.72/2,224.30
  6. Step 6: Final answer
    x = 1,115.51

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,225.30, 3,338.05 and 744.65
Similar ratio
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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.