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Finding the Fourth Proportional to 2,203.88, 3,306.12 and 1,035.08

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Solution

The fourth proportional to 2,203.88, 3,306.12 and 1,035.08 is: 1,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.88 : 3,306.12 = 1,035.08 : x
  2. Step 2: Convert to fraction form
    2,203.88/3,306.12 = 1,035.08/x
  3. Step 3: Cross multiply
    2,203.88x = 3,306.12 × 1,035.08
  4. Step 4: Simplify right side
    2,203.88x = 3,422,098.69
  5. Step 5: Solve for x
    x = 3,422,098.69/2,203.88
  6. Step 6: Final answer
    x = 1,552.76

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1.5x scale

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.