Home / 3,885.12-5,816.34-2,031.84

Finding the Fourth Proportional to 3,885.12, 5,816.34 and 2,031.84

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Solution

The fourth proportional to 3,885.12, 5,816.34 and 2,031.84 is: 3,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.12 : 5,816.34 = 2,031.84 : x
  2. Step 2: Convert to fraction form
    3,885.12/5,816.34 = 2,031.84/x
  3. Step 3: Cross multiply
    3,885.12x = 5,816.34 × 2,031.84
  4. Step 4: Simplify right side
    3,885.12x = 11,817,872.27
  5. Step 5: Solve for x
    x = 11,817,872.27/3,885.12
  6. Step 6: Final answer
    x = 3,041.83

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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.