Home / 3,603.05-5,400.86-2,613.39

Finding the Fourth Proportional to 3,603.05, 5,400.86 and 2,613.39

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Solution

The fourth proportional to 3,603.05, 5,400.86 and 2,613.39 is: 3,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.05 : 5,400.86 = 2,613.39 : x
  2. Step 2: Convert to fraction form
    3,603.05/5,400.86 = 2,613.39/x
  3. Step 3: Cross multiply
    3,603.05x = 5,400.86 × 2,613.39
  4. Step 4: Simplify right side
    3,603.05x = 14,114,553.52
  5. Step 5: Solve for x
    x = 14,114,553.52/3,603.05
  6. Step 6: Final answer
    x = 3,917.39

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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.