Home / 2,723.18-4,086.13-2,031.23

Finding the Fourth Proportional to 2,723.18, 4,086.13 and 2,031.23

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Solution

The fourth proportional to 2,723.18, 4,086.13 and 2,031.23 is: 3,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.18 : 4,086.13 = 2,031.23 : x
  2. Step 2: Convert to fraction form
    2,723.18/4,086.13 = 2,031.23/x
  3. Step 3: Cross multiply
    2,723.18x = 4,086.13 × 2,031.23
  4. Step 4: Simplify right side
    2,723.18x = 8,299,869.84
  5. Step 5: Solve for x
    x = 8,299,869.84/2,723.18
  6. Step 6: Final answer
    x = 3,047.87

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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.