Home / 3,788.59-5,674.65-1,836.70

Finding the Fourth Proportional to 3,788.59, 5,674.65 and 1,836.70

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Solution

The fourth proportional to 3,788.59, 5,674.65 and 1,836.70 is: 2,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.59 : 5,674.65 = 1,836.70 : x
  2. Step 2: Convert to fraction form
    3,788.59/5,674.65 = 1,836.70/x
  3. Step 3: Cross multiply
    3,788.59x = 5,674.65 × 1,836.70
  4. Step 4: Simplify right side
    3,788.59x = 10,422,629.66
  5. Step 5: Solve for x
    x = 10,422,629.66/3,788.59
  6. Step 6: Final answer
    x = 2,751.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.