Home / 2,363.38-3,261.46-1,315.42

Finding the Fourth Proportional to 2,363.38, 3,261.46 and 1,315.42

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Solution

The fourth proportional to 2,363.38, 3,261.46 and 1,315.42 is: 1,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.38 : 3,261.46 = 1,315.42 : x
  2. Step 2: Convert to fraction form
    2,363.38/3,261.46 = 1,315.42/x
  3. Step 3: Cross multiply
    2,363.38x = 3,261.46 × 1,315.42
  4. Step 4: Simplify right side
    2,363.38x = 4,290,170.12
  5. Step 5: Solve for x
    x = 4,290,170.12/2,363.38
  6. Step 6: Final answer
    x = 1,815.27

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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.