Home / 2,843.78-4,269.66-1,458.11

Finding the Fourth Proportional to 2,843.78, 4,269.66 and 1,458.11

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Solution

The fourth proportional to 2,843.78, 4,269.66 and 1,458.11 is: 2,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.78 : 4,269.66 = 1,458.11 : x
  2. Step 2: Convert to fraction form
    2,843.78/4,269.66 = 1,458.11/x
  3. Step 3: Cross multiply
    2,843.78x = 4,269.66 × 1,458.11
  4. Step 4: Simplify right side
    2,843.78x = 6,225,633.94
  5. Step 5: Solve for x
    x = 6,225,633.94/2,843.78
  6. Step 6: Final answer
    x = 2,189.21

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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.