Home / 2,836.92-3,914.88-1,577.98

Finding the Fourth Proportional to 2,836.92, 3,914.88 and 1,577.98

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Solution

The fourth proportional to 2,836.92, 3,914.88 and 1,577.98 is: 2,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.92 : 3,914.88 = 1,577.98 : x
  2. Step 2: Convert to fraction form
    2,836.92/3,914.88 = 1,577.98/x
  3. Step 3: Cross multiply
    2,836.92x = 3,914.88 × 1,577.98
  4. Step 4: Simplify right side
    2,836.92x = 6,177,602.34
  5. Step 5: Solve for x
    x = 6,177,602.34/2,836.92
  6. Step 6: Final answer
    x = 2,177.57

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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.