Home / 3,816.60-5,724.75-1,351.32

Finding the Fourth Proportional to 3,816.60, 5,724.75 and 1,351.32

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Solution

The fourth proportional to 3,816.60, 5,724.75 and 1,351.32 is: 2,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.60 : 5,724.75 = 1,351.32 : x
  2. Step 2: Convert to fraction form
    3,816.60/5,724.75 = 1,351.32/x
  3. Step 3: Cross multiply
    3,816.60x = 5,724.75 × 1,351.32
  4. Step 4: Simplify right side
    3,816.60x = 7,735,969.17
  5. Step 5: Solve for x
    x = 7,735,969.17/3,816.60
  6. Step 6: Final answer
    x = 2,026.93

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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.