Home / 2,203.59-3,305.49-1,228.98

Finding the Fourth Proportional to 2,203.59, 3,305.49 and 1,228.98

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Solution

The fourth proportional to 2,203.59, 3,305.49 and 1,228.98 is: 1,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.59 : 3,305.49 = 1,228.98 : x
  2. Step 2: Convert to fraction form
    2,203.59/3,305.49 = 1,228.98/x
  3. Step 3: Cross multiply
    2,203.59x = 3,305.49 × 1,228.98
  4. Step 4: Simplify right side
    2,203.59x = 4,062,381.10
  5. Step 5: Solve for x
    x = 4,062,381.10/2,203.59
  6. Step 6: Final answer
    x = 1,843.53

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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.