Home / 4,073.28-6,107.68-1,880.80

Finding the Fourth Proportional to 4,073.28, 6,107.68 and 1,880.80

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Solution

The fourth proportional to 4,073.28, 6,107.68 and 1,880.80 is: 2,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.28 : 6,107.68 = 1,880.80 : x
  2. Step 2: Convert to fraction form
    4,073.28/6,107.68 = 1,880.80/x
  3. Step 3: Cross multiply
    4,073.28x = 6,107.68 × 1,880.80
  4. Step 4: Simplify right side
    4,073.28x = 11,487,324.54
  5. Step 5: Solve for x
    x = 11,487,324.54/4,073.28
  6. Step 6: Final answer
    x = 2,820.17

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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.