Home / 3,884.98-5,363.40-2,814.70

Finding the Fourth Proportional to 3,884.98, 5,363.40 and 2,814.70

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Solution

The fourth proportional to 3,884.98, 5,363.40 and 2,814.70 is: 3,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.98 : 5,363.40 = 2,814.70 : x
  2. Step 2: Convert to fraction form
    3,884.98/5,363.40 = 2,814.70/x
  3. Step 3: Cross multiply
    3,884.98x = 5,363.40 × 2,814.70
  4. Step 4: Simplify right side
    3,884.98x = 15,096,361.98
  5. Step 5: Solve for x
    x = 15,096,361.98/3,884.98
  6. Step 6: Final answer
    x = 3,885.83

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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.