Home / 3,390.24-5,085.90-1,198.92

Finding the Fourth Proportional to 3,390.24, 5,085.90 and 1,198.92

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Solution

The fourth proportional to 3,390.24, 5,085.90 and 1,198.92 is: 1,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.24 : 5,085.90 = 1,198.92 : x
  2. Step 2: Convert to fraction form
    3,390.24/5,085.90 = 1,198.92/x
  3. Step 3: Cross multiply
    3,390.24x = 5,085.90 × 1,198.92
  4. Step 4: Simplify right side
    3,390.24x = 6,097,587.23
  5. Step 5: Solve for x
    x = 6,097,587.23/3,390.24
  6. Step 6: Final answer
    x = 1,798.57

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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.