Home / 2,224.10-3,335.12-1,299.94

Finding the Fourth Proportional to 2,224.10, 3,335.12 and 1,299.94

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Solution

The fourth proportional to 2,224.10, 3,335.12 and 1,299.94 is: 1,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.10 : 3,335.12 = 1,299.94 : x
  2. Step 2: Convert to fraction form
    2,224.10/3,335.12 = 1,299.94/x
  3. Step 3: Cross multiply
    2,224.10x = 3,335.12 × 1,299.94
  4. Step 4: Simplify right side
    2,224.10x = 4,335,432.72
  5. Step 5: Solve for x
    x = 4,335,432.72/2,224.10
  6. Step 6: Final answer
    x = 1,949.30

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Double scale
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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.