Home / 3,568.91-5,355.78-1,260.41

Finding the Fourth Proportional to 3,568.91, 5,355.78 and 1,260.41

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Solution

The fourth proportional to 3,568.91, 5,355.78 and 1,260.41 is: 1,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.91 : 5,355.78 = 1,260.41 : x
  2. Step 2: Convert to fraction form
    3,568.91/5,355.78 = 1,260.41/x
  3. Step 3: Cross multiply
    3,568.91x = 5,355.78 × 1,260.41
  4. Step 4: Simplify right side
    3,568.91x = 6,750,451.89
  5. Step 5: Solve for x
    x = 6,750,451.89/3,568.91
  6. Step 6: Final answer
    x = 1,891.46

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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.