Home / 2,528.58-3,790.44-1,867.62

Finding the Fourth Proportional to 2,528.58, 3,790.44 and 1,867.62

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Solution

The fourth proportional to 2,528.58, 3,790.44 and 1,867.62 is: 2,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.58 : 3,790.44 = 1,867.62 : x
  2. Step 2: Convert to fraction form
    2,528.58/3,790.44 = 1,867.62/x
  3. Step 3: Cross multiply
    2,528.58x = 3,790.44 × 1,867.62
  4. Step 4: Simplify right side
    2,528.58x = 7,079,101.55
  5. Step 5: Solve for x
    x = 7,079,101.55/2,528.58
  6. Step 6: Final answer
    x = 2,799.64

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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.