Home / 3,880.44-5,816.61-1,539.81

Finding the Fourth Proportional to 3,880.44, 5,816.61 and 1,539.81

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Solution

The fourth proportional to 3,880.44, 5,816.61 and 1,539.81 is: 2,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.44 : 5,816.61 = 1,539.81 : x
  2. Step 2: Convert to fraction form
    3,880.44/5,816.61 = 1,539.81/x
  3. Step 3: Cross multiply
    3,880.44x = 5,816.61 × 1,539.81
  4. Step 4: Simplify right side
    3,880.44x = 8,956,474.24
  5. Step 5: Solve for x
    x = 8,956,474.24/3,880.44
  6. Step 6: Final answer
    x = 2,308.11

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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.