Home / 3,143.96-4,341.81-2,589.92

Finding the Fourth Proportional to 3,143.96, 4,341.81 and 2,589.92

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Solution

The fourth proportional to 3,143.96, 4,341.81 and 2,589.92 is: 3,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.96 : 4,341.81 = 2,589.92 : x
  2. Step 2: Convert to fraction form
    3,143.96/4,341.81 = 2,589.92/x
  3. Step 3: Cross multiply
    3,143.96x = 4,341.81 × 2,589.92
  4. Step 4: Simplify right side
    3,143.96x = 11,244,940.56
  5. Step 5: Solve for x
    x = 11,244,940.56/3,143.96
  6. Step 6: Final answer
    x = 3,576.68

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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.