Home / 3,820.97-5,730.75-1,355.84

Finding the Fourth Proportional to 3,820.97, 5,730.75 and 1,355.84

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Solution

The fourth proportional to 3,820.97, 5,730.75 and 1,355.84 is: 2,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.97 : 5,730.75 = 1,355.84 : x
  2. Step 2: Convert to fraction form
    3,820.97/5,730.75 = 1,355.84/x
  3. Step 3: Cross multiply
    3,820.97x = 5,730.75 × 1,355.84
  4. Step 4: Simplify right side
    3,820.97x = 7,769,972.92
  5. Step 5: Solve for x
    x = 7,769,972.92/3,820.97
  6. Step 6: Final answer
    x = 2,033.51

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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.