Home / 3,727.39-5,143.80-2,048.78

Finding the Fourth Proportional to 3,727.39, 5,143.80 and 2,048.78

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Solution

The fourth proportional to 3,727.39, 5,143.80 and 2,048.78 is: 2,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.39 : 5,143.80 = 2,048.78 : x
  2. Step 2: Convert to fraction form
    3,727.39/5,143.80 = 2,048.78/x
  3. Step 3: Cross multiply
    3,727.39x = 5,143.80 × 2,048.78
  4. Step 4: Simplify right side
    3,727.39x = 10,538,509.44
  5. Step 5: Solve for x
    x = 10,538,509.44/3,727.39
  6. Step 6: Final answer
    x = 2,827.32

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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.