Home / 2,363.72-3,262.07-1,315.78

Finding the Fourth Proportional to 2,363.72, 3,262.07 and 1,315.78

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Solution

The fourth proportional to 2,363.72, 3,262.07 and 1,315.78 is: 1,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.72 : 3,262.07 = 1,315.78 : x
  2. Step 2: Convert to fraction form
    2,363.72/3,262.07 = 1,315.78/x
  3. Step 3: Cross multiply
    2,363.72x = 3,262.07 × 1,315.78
  4. Step 4: Simplify right side
    2,363.72x = 4,292,161.60
  5. Step 5: Solve for x
    x = 4,292,161.60/2,363.72
  6. Step 6: Final answer
    x = 1,815.85

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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.