Home / 2,816.60-4,222.46-1,084

Finding the Fourth Proportional to 2,816.60, 4,222.46 and 1,084

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Solution

The fourth proportional to 2,816.60, 4,222.46 and 1,084 is: 1,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.60 : 4,222.46 = 1,084 : x
  2. Step 2: Convert to fraction form
    2,816.60/4,222.46 = 1,084/x
  3. Step 3: Cross multiply
    2,816.60x = 4,222.46 × 1,084
  4. Step 4: Simplify right side
    2,816.60x = 4,577,146.64
  5. Step 5: Solve for x
    x = 4,577,146.64/2,816.60
  6. Step 6: Final answer
    x = 1,625.06

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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.