Home / 3,543.78-5,308.35-2,078.52

Finding the Fourth Proportional to 3,543.78, 5,308.35 and 2,078.52

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Solution

The fourth proportional to 3,543.78, 5,308.35 and 2,078.52 is: 3,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.78 : 5,308.35 = 2,078.52 : x
  2. Step 2: Convert to fraction form
    3,543.78/5,308.35 = 2,078.52/x
  3. Step 3: Cross multiply
    3,543.78x = 5,308.35 × 2,078.52
  4. Step 4: Simplify right side
    3,543.78x = 11,033,511.64
  5. Step 5: Solve for x
    x = 11,033,511.64/3,543.78
  6. Step 6: Final answer
    x = 3,113.49

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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.