Home / 3,144.24-4,338.85-1,727.90

Finding the Fourth Proportional to 3,144.24, 4,338.85 and 1,727.90

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Solution

The fourth proportional to 3,144.24, 4,338.85 and 1,727.90 is: 2,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.24 : 4,338.85 = 1,727.90 : x
  2. Step 2: Convert to fraction form
    3,144.24/4,338.85 = 1,727.90/x
  3. Step 3: Cross multiply
    3,144.24x = 4,338.85 × 1,727.90
  4. Step 4: Simplify right side
    3,144.24x = 7,497,091.12
  5. Step 5: Solve for x
    x = 7,497,091.12/3,144.24
  6. Step 6: Final answer
    x = 2,384.39

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1.5x scale

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.