Home / 3,411.28-4,704.24-2,746

Finding the Fourth Proportional to 3,411.28, 4,704.24 and 2,746

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Solution

The fourth proportional to 3,411.28, 4,704.24 and 2,746 is: 3,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.28 : 4,704.24 = 2,746 : x
  2. Step 2: Convert to fraction form
    3,411.28/4,704.24 = 2,746/x
  3. Step 3: Cross multiply
    3,411.28x = 4,704.24 × 2,746
  4. Step 4: Simplify right side
    3,411.28x = 12,917,843.04
  5. Step 5: Solve for x
    x = 12,917,843.04/3,411.28
  6. Step 6: Final answer
    x = 3,786.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.