Home / 3,845.52-5,768.28-1,792.08

Finding the Fourth Proportional to 3,845.52, 5,768.28 and 1,792.08

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Solution

The fourth proportional to 3,845.52, 5,768.28 and 1,792.08 is: 2,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.52 : 5,768.28 = 1,792.08 : x
  2. Step 2: Convert to fraction form
    3,845.52/5,768.28 = 1,792.08/x
  3. Step 3: Cross multiply
    3,845.52x = 5,768.28 × 1,792.08
  4. Step 4: Simplify right side
    3,845.52x = 10,337,219.22
  5. Step 5: Solve for x
    x = 10,337,219.22/3,845.52
  6. Step 6: Final answer
    x = 2,688.12

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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.