Home / 2,814.80-3,884.52-1,767.44

Finding the Fourth Proportional to 2,814.80, 3,884.52 and 1,767.44

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Solution

The fourth proportional to 2,814.80, 3,884.52 and 1,767.44 is: 2,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.80 : 3,884.52 = 1,767.44 : x
  2. Step 2: Convert to fraction form
    2,814.80/3,884.52 = 1,767.44/x
  3. Step 3: Cross multiply
    2,814.80x = 3,884.52 × 1,767.44
  4. Step 4: Simplify right side
    2,814.80x = 6,865,656.03
  5. Step 5: Solve for x
    x = 6,865,656.03/2,814.80
  6. Step 6: Final answer
    x = 2,439.13

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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.