Home / 3,019.68-4,163.40-2,270.43

Finding the Fourth Proportional to 3,019.68, 4,163.40 and 2,270.43

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Solution

The fourth proportional to 3,019.68, 4,163.40 and 2,270.43 is: 3,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.68 : 4,163.40 = 2,270.43 : x
  2. Step 2: Convert to fraction form
    3,019.68/4,163.40 = 2,270.43/x
  3. Step 3: Cross multiply
    3,019.68x = 4,163.40 × 2,270.43
  4. Step 4: Simplify right side
    3,019.68x = 9,452,708.26
  5. Step 5: Solve for x
    x = 9,452,708.26/3,019.68
  6. Step 6: Final answer
    x = 3,130.37

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.