Home / 4,081.38-6,120.24-1,614.30

Finding the Fourth Proportional to 4,081.38, 6,120.24 and 1,614.30

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Solution

The fourth proportional to 4,081.38, 6,120.24 and 1,614.30 is: 2,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.38 : 6,120.24 = 1,614.30 : x
  2. Step 2: Convert to fraction form
    4,081.38/6,120.24 = 1,614.30/x
  3. Step 3: Cross multiply
    4,081.38x = 6,120.24 × 1,614.30
  4. Step 4: Simplify right side
    4,081.38x = 9,879,903.43
  5. Step 5: Solve for x
    x = 9,879,903.43/4,081.38
  6. Step 6: Final answer
    x = 2,420.73

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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.