Home / 2,836.17-3,914.05-1,577.21

Finding the Fourth Proportional to 2,836.17, 3,914.05 and 1,577.21

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Solution

The fourth proportional to 2,836.17, 3,914.05 and 1,577.21 is: 2,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.17 : 3,914.05 = 1,577.21 : x
  2. Step 2: Convert to fraction form
    2,836.17/3,914.05 = 1,577.21/x
  3. Step 3: Cross multiply
    2,836.17x = 3,914.05 × 1,577.21
  4. Step 4: Simplify right side
    2,836.17x = 6,173,278.80
  5. Step 5: Solve for x
    x = 6,173,278.80/2,836.17
  6. Step 6: Final answer
    x = 2,176.63

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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.