Home / 3,747.81-5,171.97-2,069.16

Finding the Fourth Proportional to 3,747.81, 5,171.97 and 2,069.16

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Solution

The fourth proportional to 3,747.81, 5,171.97 and 2,069.16 is: 2,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.81 : 5,171.97 = 2,069.16 : x
  2. Step 2: Convert to fraction form
    3,747.81/5,171.97 = 2,069.16/x
  3. Step 3: Cross multiply
    3,747.81x = 5,171.97 × 2,069.16
  4. Step 4: Simplify right side
    3,747.81x = 10,701,633.45
  5. Step 5: Solve for x
    x = 10,701,633.45/3,747.81
  6. Step 6: Final answer
    x = 2,855.44

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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.