Home / 3,880.19-5,820.47-1,107.27

Finding the Fourth Proportional to 3,880.19, 5,820.47 and 1,107.27

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Solution

The fourth proportional to 3,880.19, 5,820.47 and 1,107.27 is: 1,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.19 : 5,820.47 = 1,107.27 : x
  2. Step 2: Convert to fraction form
    3,880.19/5,820.47 = 1,107.27/x
  3. Step 3: Cross multiply
    3,880.19x = 5,820.47 × 1,107.27
  4. Step 4: Simplify right side
    3,880.19x = 6,444,817.18
  5. Step 5: Solve for x
    x = 6,444,817.18/3,880.19
  6. Step 6: Final answer
    x = 1,660.96

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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.