Home / 2,359.27-3,538.80-799.21

Finding the Fourth Proportional to 2,359.27, 3,538.80 and 799.21

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Solution

The fourth proportional to 2,359.27, 3,538.80 and 799.21 is: 1,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.27 : 3,538.80 = 799.21 : x
  2. Step 2: Convert to fraction form
    2,359.27/3,538.80 = 799.21/x
  3. Step 3: Cross multiply
    2,359.27x = 3,538.80 × 799.21
  4. Step 4: Simplify right side
    2,359.27x = 2,828,235.50
  5. Step 5: Solve for x
    x = 2,828,235.50/2,359.27
  6. Step 6: Final answer
    x = 1,198.78

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1.5x scale

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.