Home / 2,836.49-3,914.60-1,577.64

Finding the Fourth Proportional to 2,836.49, 3,914.60 and 1,577.64

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Solution

The fourth proportional to 2,836.49, 3,914.60 and 1,577.64 is: 2,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.49 : 3,914.60 = 1,577.64 : x
  2. Step 2: Convert to fraction form
    2,836.49/3,914.60 = 1,577.64/x
  3. Step 3: Cross multiply
    2,836.49x = 3,914.60 × 1,577.64
  4. Step 4: Simplify right side
    2,836.49x = 6,175,829.54
  5. Step 5: Solve for x
    x = 6,175,829.54/2,836.49
  6. Step 6: Final answer
    x = 2,177.28

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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.