Home / 3,603.96-5,399.87-2,561.90

Finding the Fourth Proportional to 3,603.96, 5,399.87 and 2,561.90

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Solution

The fourth proportional to 3,603.96, 5,399.87 and 2,561.90 is: 3,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.96 : 5,399.87 = 2,561.90 : x
  2. Step 2: Convert to fraction form
    3,603.96/5,399.87 = 2,561.90/x
  3. Step 3: Cross multiply
    3,603.96x = 5,399.87 × 2,561.90
  4. Step 4: Simplify right side
    3,603.96x = 13,833,887.14
  5. Step 5: Solve for x
    x = 13,833,887.14/3,603.96
  6. Step 6: Final answer
    x = 3,838.52

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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.