Home / 3,727.40-5,143.82-2,048.98

Finding the Fourth Proportional to 3,727.40, 5,143.82 and 2,048.98

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Solution

The fourth proportional to 3,727.40, 5,143.82 and 2,048.98 is: 2,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.40 : 5,143.82 = 2,048.98 : x
  2. Step 2: Convert to fraction form
    3,727.40/5,143.82 = 2,048.98/x
  3. Step 3: Cross multiply
    3,727.40x = 5,143.82 × 2,048.98
  4. Step 4: Simplify right side
    3,727.40x = 10,539,571.44
  5. Step 5: Solve for x
    x = 10,539,571.44/3,727.40
  6. Step 6: Final answer
    x = 2,827.60

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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.