Home / 3,429.09-5,143.68-2,266.56

Finding the Fourth Proportional to 3,429.09, 5,143.68 and 2,266.56

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Solution

The fourth proportional to 3,429.09, 5,143.68 and 2,266.56 is: 3,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.09 : 5,143.68 = 2,266.56 : x
  2. Step 2: Convert to fraction form
    3,429.09/5,143.68 = 2,266.56/x
  3. Step 3: Cross multiply
    3,429.09x = 5,143.68 × 2,266.56
  4. Step 4: Simplify right side
    3,429.09x = 11,658,459.34
  5. Step 5: Solve for x
    x = 11,658,459.34/3,429.09
  6. Step 6: Final answer
    x = 3,399.87

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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.