Home / 3,754.40-5,626.94-2,112.12

Finding the Fourth Proportional to 3,754.40, 5,626.94 and 2,112.12

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Solution

The fourth proportional to 3,754.40, 5,626.94 and 2,112.12 is: 3,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.40 : 5,626.94 = 2,112.12 : x
  2. Step 2: Convert to fraction form
    3,754.40/5,626.94 = 2,112.12/x
  3. Step 3: Cross multiply
    3,754.40x = 5,626.94 × 2,112.12
  4. Step 4: Simplify right side
    3,754.40x = 11,884,772.51
  5. Step 5: Solve for x
    x = 11,884,772.51/3,754.40
  6. Step 6: Final answer
    x = 3,165.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.