Home / 3,750.28-5,625.72-1,284.43

Finding the Fourth Proportional to 3,750.28, 5,625.72 and 1,284.43

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Solution

The fourth proportional to 3,750.28, 5,625.72 and 1,284.43 is: 1,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.28 : 5,625.72 = 1,284.43 : x
  2. Step 2: Convert to fraction form
    3,750.28/5,625.72 = 1,284.43/x
  3. Step 3: Cross multiply
    3,750.28x = 5,625.72 × 1,284.43
  4. Step 4: Simplify right side
    3,750.28x = 7,225,843.54
  5. Step 5: Solve for x
    x = 7,225,843.54/3,750.28
  6. Step 6: Final answer
    x = 1,926.75

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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.