Home / 2,265.78-3,389.58-1,960.95

Finding the Fourth Proportional to 2,265.78, 3,389.58 and 1,960.95

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Solution

The fourth proportional to 2,265.78, 3,389.58 and 1,960.95 is: 2,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.78 : 3,389.58 = 1,960.95 : x
  2. Step 2: Convert to fraction form
    2,265.78/3,389.58 = 1,960.95/x
  3. Step 3: Cross multiply
    2,265.78x = 3,389.58 × 1,960.95
  4. Step 4: Simplify right side
    2,265.78x = 6,646,796.90
  5. Step 5: Solve for x
    x = 6,646,796.90/2,265.78
  6. Step 6: Final answer
    x = 2,933.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.