Home / 4,129.29-6,192.69-2,180.43

Finding the Fourth Proportional to 4,129.29, 6,192.69 and 2,180.43

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Solution

The fourth proportional to 4,129.29, 6,192.69 and 2,180.43 is: 3,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.29 : 6,192.69 = 2,180.43 : x
  2. Step 2: Convert to fraction form
    4,129.29/6,192.69 = 2,180.43/x
  3. Step 3: Cross multiply
    4,129.29x = 6,192.69 × 2,180.43
  4. Step 4: Simplify right side
    4,129.29x = 13,502,727.06
  5. Step 5: Solve for x
    x = 13,502,727.06/4,129.29
  6. Step 6: Final answer
    x = 3,269.99

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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.