Home / 3,922.05-5,884.23-1,580.86

Finding the Fourth Proportional to 3,922.05, 5,884.23 and 1,580.86

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Solution

The fourth proportional to 3,922.05, 5,884.23 and 1,580.86 is: 2,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.05 : 5,884.23 = 1,580.86 : x
  2. Step 2: Convert to fraction form
    3,922.05/5,884.23 = 1,580.86/x
  3. Step 3: Cross multiply
    3,922.05x = 5,884.23 × 1,580.86
  4. Step 4: Simplify right side
    3,922.05x = 9,302,114.42
  5. Step 5: Solve for x
    x = 9,302,114.42/3,922.05
  6. Step 6: Final answer
    x = 2,371.75

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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.