Home / 3,543.36-5,314.86-1,078.13

Finding the Fourth Proportional to 3,543.36, 5,314.86 and 1,078.13

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Solution

The fourth proportional to 3,543.36, 5,314.86 and 1,078.13 is: 1,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.36 : 5,314.86 = 1,078.13 : x
  2. Step 2: Convert to fraction form
    3,543.36/5,314.86 = 1,078.13/x
  3. Step 3: Cross multiply
    3,543.36x = 5,314.86 × 1,078.13
  4. Step 4: Simplify right side
    3,543.36x = 5,730,083.44
  5. Step 5: Solve for x
    x = 5,730,083.44/3,543.36
  6. Step 6: Final answer
    x = 1,617.13

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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.