Home / 3,544.11-5,315.99-1,078.88

Finding the Fourth Proportional to 3,544.11, 5,315.99 and 1,078.88

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Solution

The fourth proportional to 3,544.11, 5,315.99 and 1,078.88 is: 1,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.11 : 5,315.99 = 1,078.88 : x
  2. Step 2: Convert to fraction form
    3,544.11/5,315.99 = 1,078.88/x
  3. Step 3: Cross multiply
    3,544.11x = 5,315.99 × 1,078.88
  4. Step 4: Simplify right side
    3,544.11x = 5,735,283.32
  5. Step 5: Solve for x
    x = 5,735,283.32/3,544.11
  6. Step 6: Final answer
    x = 1,618.26

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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.