Home / 3,429.23-5,143.03-1,480.37

Finding the Fourth Proportional to 3,429.23, 5,143.03 and 1,480.37

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Solution

The fourth proportional to 3,429.23, 5,143.03 and 1,480.37 is: 2,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.23 : 5,143.03 = 1,480.37 : x
  2. Step 2: Convert to fraction form
    3,429.23/5,143.03 = 1,480.37/x
  3. Step 3: Cross multiply
    3,429.23x = 5,143.03 × 1,480.37
  4. Step 4: Simplify right side
    3,429.23x = 7,613,557.91
  5. Step 5: Solve for x
    x = 7,613,557.91/3,429.23
  6. Step 6: Final answer
    x = 2,220.20

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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.