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Finding the Fourth Proportional to 3,248.78, 4,482.15 and 1,850.72

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Solution

The fourth proportional to 3,248.78, 4,482.15 and 1,850.72 is: 2,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.78 : 4,482.15 = 1,850.72 : x
  2. Step 2: Convert to fraction form
    3,248.78/4,482.15 = 1,850.72/x
  3. Step 3: Cross multiply
    3,248.78x = 4,482.15 × 1,850.72
  4. Step 4: Simplify right side
    3,248.78x = 8,295,204.65
  5. Step 5: Solve for x
    x = 8,295,204.65/3,248.78
  6. Step 6: Final answer
    x = 2,553.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.