Home / 2,363.79-3,262.08-1,315.78

Finding the Fourth Proportional to 2,363.79, 3,262.08 and 1,315.78

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Solution

The fourth proportional to 2,363.79, 3,262.08 and 1,315.78 is: 1,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.79 : 3,262.08 = 1,315.78 : x
  2. Step 2: Convert to fraction form
    2,363.79/3,262.08 = 1,315.78/x
  3. Step 3: Cross multiply
    2,363.79x = 3,262.08 × 1,315.78
  4. Step 4: Simplify right side
    2,363.79x = 4,292,179.62
  5. Step 5: Solve for x
    x = 4,292,179.62/2,363.79
  6. Step 6: Final answer
    x = 1,815.81

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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.