Home / 3,892.92-5,835.64-1,943.28

Finding the Fourth Proportional to 3,892.92, 5,835.64 and 1,943.28

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Solution

The fourth proportional to 3,892.92, 5,835.64 and 1,943.28 is: 2,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.92 : 5,835.64 = 1,943.28 : x
  2. Step 2: Convert to fraction form
    3,892.92/5,835.64 = 1,943.28/x
  3. Step 3: Cross multiply
    3,892.92x = 5,835.64 × 1,943.28
  4. Step 4: Simplify right side
    3,892.92x = 11,340,282.50
  5. Step 5: Solve for x
    x = 11,340,282.50/3,892.92
  6. Step 6: Final answer
    x = 2,913.05

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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.