Home / 2,519.19-3,476.38-1,400.12

Finding the Fourth Proportional to 2,519.19, 3,476.38 and 1,400.12

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Solution

The fourth proportional to 2,519.19, 3,476.38 and 1,400.12 is: 1,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.19 : 3,476.38 = 1,400.12 : x
  2. Step 2: Convert to fraction form
    2,519.19/3,476.38 = 1,400.12/x
  3. Step 3: Cross multiply
    2,519.19x = 3,476.38 × 1,400.12
  4. Step 4: Simplify right side
    2,519.19x = 4,867,324.78
  5. Step 5: Solve for x
    x = 4,867,324.78/2,519.19
  6. Step 6: Final answer
    x = 1,932.10

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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.