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Finding the Fourth Proportional to 3,248.87, 4,868.73 and 1,860.12

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Solution

The fourth proportional to 3,248.87, 4,868.73 and 1,860.12 is: 2,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.87 : 4,868.73 = 1,860.12 : x
  2. Step 2: Convert to fraction form
    3,248.87/4,868.73 = 1,860.12/x
  3. Step 3: Cross multiply
    3,248.87x = 4,868.73 × 1,860.12
  4. Step 4: Simplify right side
    3,248.87x = 9,056,422.05
  5. Step 5: Solve for x
    x = 9,056,422.05/3,248.87
  6. Step 6: Final answer
    x = 2,787.56

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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.