Home / 3,748.05-5,172.39-2,069.48

Finding the Fourth Proportional to 3,748.05, 5,172.39 and 2,069.48

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Solution

The fourth proportional to 3,748.05, 5,172.39 and 2,069.48 is: 2,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.05 : 5,172.39 = 2,069.48 : x
  2. Step 2: Convert to fraction form
    3,748.05/5,172.39 = 2,069.48/x
  3. Step 3: Cross multiply
    3,748.05x = 5,172.39 × 2,069.48
  4. Step 4: Simplify right side
    3,748.05x = 10,704,170.59
  5. Step 5: Solve for x
    x = 10,704,170.59/3,748.05
  6. Step 6: Final answer
    x = 2,855.93

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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.