Home / 2,739.68-4,109.44-1,008.24

Finding the Fourth Proportional to 2,739.68, 4,109.44 and 1,008.24

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Solution

The fourth proportional to 2,739.68, 4,109.44 and 1,008.24 is: 1,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.68 : 4,109.44 = 1,008.24 : x
  2. Step 2: Convert to fraction form
    2,739.68/4,109.44 = 1,008.24/x
  3. Step 3: Cross multiply
    2,739.68x = 4,109.44 × 1,008.24
  4. Step 4: Simplify right side
    2,739.68x = 4,143,301.79
  5. Step 5: Solve for x
    x = 4,143,301.79/2,739.68
  6. Step 6: Final answer
    x = 1,512.33

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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.