Home / 3,750.91-5,626.82-1,286.17

Finding the Fourth Proportional to 3,750.91, 5,626.82 and 1,286.17

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Solution

The fourth proportional to 3,750.91, 5,626.82 and 1,286.17 is: 1,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.91 : 5,626.82 = 1,286.17 : x
  2. Step 2: Convert to fraction form
    3,750.91/5,626.82 = 1,286.17/x
  3. Step 3: Cross multiply
    3,750.91x = 5,626.82 × 1,286.17
  4. Step 4: Simplify right side
    3,750.91x = 7,237,040.65
  5. Step 5: Solve for x
    x = 7,237,040.65/3,750.91
  6. Step 6: Final answer
    x = 1,929.41

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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.