Home / 2,694.53-4,042.50-845.70

Finding the Fourth Proportional to 2,694.53, 4,042.50 and 845.70

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Solution

The fourth proportional to 2,694.53, 4,042.50 and 845.70 is: 1,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.53 : 4,042.50 = 845.70 : x
  2. Step 2: Convert to fraction form
    2,694.53/4,042.50 = 845.70/x
  3. Step 3: Cross multiply
    2,694.53x = 4,042.50 × 845.70
  4. Step 4: Simplify right side
    2,694.53x = 3,418,742.25
  5. Step 5: Solve for x
    x = 3,418,742.25/2,694.53
  6. Step 6: Final answer
    x = 1,268.77

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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.