Home / 2,816.39-4,225.13-1,084.88

Finding the Fourth Proportional to 2,816.39, 4,225.13 and 1,084.88

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Solution

The fourth proportional to 2,816.39, 4,225.13 and 1,084.88 is: 1,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.39 : 4,225.13 = 1,084.88 : x
  2. Step 2: Convert to fraction form
    2,816.39/4,225.13 = 1,084.88/x
  3. Step 3: Cross multiply
    2,816.39x = 4,225.13 × 1,084.88
  4. Step 4: Simplify right side
    2,816.39x = 4,583,732.48
  5. Step 5: Solve for x
    x = 4,583,732.48/2,816.39
  6. Step 6: Final answer
    x = 1,627.52

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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.