Home / 3,678.25-5,076.11-2,084.88

Finding the Fourth Proportional to 3,678.25, 5,076.11 and 2,084.88

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Solution

The fourth proportional to 3,678.25, 5,076.11 and 2,084.88 is: 2,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.25 : 5,076.11 = 2,084.88 : x
  2. Step 2: Convert to fraction form
    3,678.25/5,076.11 = 2,084.88/x
  3. Step 3: Cross multiply
    3,678.25x = 5,076.11 × 2,084.88
  4. Step 4: Simplify right side
    3,678.25x = 10,583,070.05
  5. Step 5: Solve for x
    x = 10,583,070.05/3,678.25
  6. Step 6: Final answer
    x = 2,877.20

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1.5x scale

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.