Home / 3,544.38-5,315.22-1,078.44

Finding the Fourth Proportional to 3,544.38, 5,315.22 and 1,078.44

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Solution

The fourth proportional to 3,544.38, 5,315.22 and 1,078.44 is: 1,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.38 : 5,315.22 = 1,078.44 : x
  2. Step 2: Convert to fraction form
    3,544.38/5,315.22 = 1,078.44/x
  3. Step 3: Cross multiply
    3,544.38x = 5,315.22 × 1,078.44
  4. Step 4: Simplify right side
    3,544.38x = 5,732,145.86
  5. Step 5: Solve for x
    x = 5,732,145.86/3,544.38
  6. Step 6: Final answer
    x = 1,617.25

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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.