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Finding the Fourth Proportional to 3,387.82, 4,675.17 and 1,895.73

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Solution

The fourth proportional to 3,387.82, 4,675.17 and 1,895.73 is: 2,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.82 : 4,675.17 = 1,895.73 : x
  2. Step 2: Convert to fraction form
    3,387.82/4,675.17 = 1,895.73/x
  3. Step 3: Cross multiply
    3,387.82x = 4,675.17 × 1,895.73
  4. Step 4: Simplify right side
    3,387.82x = 8,862,860.02
  5. Step 5: Solve for x
    x = 8,862,860.02/3,387.82
  6. Step 6: Final answer
    x = 2,616.10

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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.