Home / 3,750.75-5,619.97-1,284.22

Finding the Fourth Proportional to 3,750.75, 5,619.97 and 1,284.22

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Solution

The fourth proportional to 3,750.75, 5,619.97 and 1,284.22 is: 1,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.75 : 5,619.97 = 1,284.22 : x
  2. Step 2: Convert to fraction form
    3,750.75/5,619.97 = 1,284.22/x
  3. Step 3: Cross multiply
    3,750.75x = 5,619.97 × 1,284.22
  4. Step 4: Simplify right side
    3,750.75x = 7,217,277.87
  5. Step 5: Solve for x
    x = 7,217,277.87/3,750.75
  6. Step 6: Final answer
    x = 1,924.22

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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.