Home / 2,224.38-3,338.58-1,129.50

Finding the Fourth Proportional to 2,224.38, 3,338.58 and 1,129.50

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Solution

The fourth proportional to 2,224.38, 3,338.58 and 1,129.50 is: 1,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.38 : 3,338.58 = 1,129.50 : x
  2. Step 2: Convert to fraction form
    2,224.38/3,338.58 = 1,129.50/x
  3. Step 3: Cross multiply
    2,224.38x = 3,338.58 × 1,129.50
  4. Step 4: Simplify right side
    2,224.38x = 3,770,926.11
  5. Step 5: Solve for x
    x = 3,770,926.11/2,224.38
  6. Step 6: Final answer
    x = 1,695.27

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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.