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Finding the Fourth Proportional to 3,203.53, 4,805.17 and 1,123.65

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Solution

The fourth proportional to 3,203.53, 4,805.17 and 1,123.65 is: 1,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.53 : 4,805.17 = 1,123.65 : x
  2. Step 2: Convert to fraction form
    3,203.53/4,805.17 = 1,123.65/x
  3. Step 3: Cross multiply
    3,203.53x = 4,805.17 × 1,123.65
  4. Step 4: Simplify right side
    3,203.53x = 5,399,326.46
  5. Step 5: Solve for x
    x = 5,399,326.46/3,203.53
  6. Step 6: Final answer
    x = 1,685.43

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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.