Home / 2,836.62-3,914.33-2,041.20

Finding the Fourth Proportional to 2,836.62, 3,914.33 and 2,041.20

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Solution

The fourth proportional to 2,836.62, 3,914.33 and 2,041.20 is: 2,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.62 : 3,914.33 = 2,041.20 : x
  2. Step 2: Convert to fraction form
    2,836.62/3,914.33 = 2,041.20/x
  3. Step 3: Cross multiply
    2,836.62x = 3,914.33 × 2,041.20
  4. Step 4: Simplify right side
    2,836.62x = 7,989,920.19
  5. Step 5: Solve for x
    x = 7,989,920.19/2,836.62
  6. Step 6: Final answer
    x = 2,816.70

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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.