Home / 2,563.62-3,838.14-1,685.16

Finding the Fourth Proportional to 2,563.62, 3,838.14 and 1,685.16

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Solution

The fourth proportional to 2,563.62, 3,838.14 and 1,685.16 is: 2,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.62 : 3,838.14 = 1,685.16 : x
  2. Step 2: Convert to fraction form
    2,563.62/3,838.14 = 1,685.16/x
  3. Step 3: Cross multiply
    2,563.62x = 3,838.14 × 1,685.16
  4. Step 4: Simplify right side
    2,563.62x = 6,467,880.00
  5. Step 5: Solve for x
    x = 6,467,880.00/2,563.62
  6. Step 6: Final answer
    x = 2,522.95

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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.