Home / 2,816.97-4,214.85-1,729.97

Finding the Fourth Proportional to 2,816.97, 4,214.85 and 1,729.97

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Solution

The fourth proportional to 2,816.97, 4,214.85 and 1,729.97 is: 2,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.97 : 4,214.85 = 1,729.97 : x
  2. Step 2: Convert to fraction form
    2,816.97/4,214.85 = 1,729.97/x
  3. Step 3: Cross multiply
    2,816.97x = 4,214.85 × 1,729.97
  4. Step 4: Simplify right side
    2,816.97x = 7,291,542.98
  5. Step 5: Solve for x
    x = 7,291,542.98/2,816.97
  6. Step 6: Final answer
    x = 2,588.43

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1.5x scale

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.