Home / 3,788.92-5,675.82-1,835.20

Finding the Fourth Proportional to 3,788.92, 5,675.82 and 1,835.20

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Solution

The fourth proportional to 3,788.92, 5,675.82 and 1,835.20 is: 2,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.92 : 5,675.82 = 1,835.20 : x
  2. Step 2: Convert to fraction form
    3,788.92/5,675.82 = 1,835.20/x
  3. Step 3: Cross multiply
    3,788.92x = 5,675.82 × 1,835.20
  4. Step 4: Simplify right side
    3,788.92x = 10,416,264.86
  5. Step 5: Solve for x
    x = 10,416,264.86/3,788.92
  6. Step 6: Final answer
    x = 2,749.14

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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.