Home / 2,783.80-3,841.68-1,524.88

Finding the Fourth Proportional to 2,783.80, 3,841.68 and 1,524.88

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Solution

The fourth proportional to 2,783.80, 3,841.68 and 1,524.88 is: 2,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.80 : 3,841.68 = 1,524.88 : x
  2. Step 2: Convert to fraction form
    2,783.80/3,841.68 = 1,524.88/x
  3. Step 3: Cross multiply
    2,783.80x = 3,841.68 × 1,524.88
  4. Step 4: Simplify right side
    2,783.80x = 5,858,101.00
  5. Step 5: Solve for x
    x = 5,858,101.00/2,783.80
  6. Step 6: Final answer
    x = 2,104.35

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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.