Home / 2,336.38-3,223.19-1,538.68

Finding the Fourth Proportional to 2,336.38, 3,223.19 and 1,538.68

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Solution

The fourth proportional to 2,336.38, 3,223.19 and 1,538.68 is: 2,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.38 : 3,223.19 = 1,538.68 : x
  2. Step 2: Convert to fraction form
    2,336.38/3,223.19 = 1,538.68/x
  3. Step 3: Cross multiply
    2,336.38x = 3,223.19 × 1,538.68
  4. Step 4: Simplify right side
    2,336.38x = 4,959,457.99
  5. Step 5: Solve for x
    x = 4,959,457.99/2,336.38
  6. Step 6: Final answer
    x = 2,122.71

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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.