Home / 2,854.68-3,938.62-1,845.96

Finding the Fourth Proportional to 2,854.68, 3,938.62 and 1,845.96

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Solution

The fourth proportional to 2,854.68, 3,938.62 and 1,845.96 is: 2,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.68 : 3,938.62 = 1,845.96 : x
  2. Step 2: Convert to fraction form
    2,854.68/3,938.62 = 1,845.96/x
  3. Step 3: Cross multiply
    2,854.68x = 3,938.62 × 1,845.96
  4. Step 4: Simplify right side
    2,854.68x = 7,270,534.98
  5. Step 5: Solve for x
    x = 7,270,534.98/2,854.68
  6. Step 6: Final answer
    x = 2,546.88

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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.