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Finding the Fourth Proportional to 1,863.77, 2,795.83 and 1,248.17

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Solution

The fourth proportional to 1,863.77, 2,795.83 and 1,248.17 is: 1,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.77 : 2,795.83 = 1,248.17 : x
  2. Step 2: Convert to fraction form
    1,863.77/2,795.83 = 1,248.17/x
  3. Step 3: Cross multiply
    1,863.77x = 2,795.83 × 1,248.17
  4. Step 4: Simplify right side
    1,863.77x = 3,489,654.03
  5. Step 5: Solve for x
    x = 3,489,654.03/1,863.77
  6. Step 6: Final answer
    x = 1,872.37

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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.