Home / 3,720.35-5,577.79-1,773.92

Finding the Fourth Proportional to 3,720.35, 5,577.79 and 1,773.92

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Solution

The fourth proportional to 3,720.35, 5,577.79 and 1,773.92 is: 2,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.35 : 5,577.79 = 1,773.92 : x
  2. Step 2: Convert to fraction form
    3,720.35/5,577.79 = 1,773.92/x
  3. Step 3: Cross multiply
    3,720.35x = 5,577.79 × 1,773.92
  4. Step 4: Simplify right side
    3,720.35x = 9,894,544.37
  5. Step 5: Solve for x
    x = 9,894,544.37/3,720.35
  6. Step 6: Final answer
    x = 2,659.57

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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.