Home / 2,734.39-3,773.31-1,555.45

Finding the Fourth Proportional to 2,734.39, 3,773.31 and 1,555.45

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Solution

The fourth proportional to 2,734.39, 3,773.31 and 1,555.45 is: 2,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.39 : 3,773.31 = 1,555.45 : x
  2. Step 2: Convert to fraction form
    2,734.39/3,773.31 = 1,555.45/x
  3. Step 3: Cross multiply
    2,734.39x = 3,773.31 × 1,555.45
  4. Step 4: Simplify right side
    2,734.39x = 5,869,195.04
  5. Step 5: Solve for x
    x = 5,869,195.04/2,734.39
  6. Step 6: Final answer
    x = 2,146.44

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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.