Home / 2,203.02-3,306.41-1,163.78

Finding the Fourth Proportional to 2,203.02, 3,306.41 and 1,163.78

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Solution

The fourth proportional to 2,203.02, 3,306.41 and 1,163.78 is: 1,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.02 : 3,306.41 = 1,163.78 : x
  2. Step 2: Convert to fraction form
    2,203.02/3,306.41 = 1,163.78/x
  3. Step 3: Cross multiply
    2,203.02x = 3,306.41 × 1,163.78
  4. Step 4: Simplify right side
    2,203.02x = 3,847,911.48
  5. Step 5: Solve for x
    x = 3,847,911.48/2,203.02
  6. Step 6: Final answer
    x = 1,746.65

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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.