Home / 2,428.38-3,351.16-1,324.38

Finding the Fourth Proportional to 2,428.38, 3,351.16 and 1,324.38

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Solution

The fourth proportional to 2,428.38, 3,351.16 and 1,324.38 is: 1,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.38 : 3,351.16 = 1,324.38 : x
  2. Step 2: Convert to fraction form
    2,428.38/3,351.16 = 1,324.38/x
  3. Step 3: Cross multiply
    2,428.38x = 3,351.16 × 1,324.38
  4. Step 4: Simplify right side
    2,428.38x = 4,438,209.28
  5. Step 5: Solve for x
    x = 4,438,209.28/2,428.38
  6. Step 6: Final answer
    x = 1,827.64

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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.