Home / 3,885.42-5,822.46-1,934.94

Finding the Fourth Proportional to 3,885.42, 5,822.46 and 1,934.94

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Solution

The fourth proportional to 3,885.42, 5,822.46 and 1,934.94 is: 2,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.42 : 5,822.46 = 1,934.94 : x
  2. Step 2: Convert to fraction form
    3,885.42/5,822.46 = 1,934.94/x
  3. Step 3: Cross multiply
    3,885.42x = 5,822.46 × 1,934.94
  4. Step 4: Simplify right side
    3,885.42x = 11,266,110.75
  5. Step 5: Solve for x
    x = 11,266,110.75/3,885.42
  6. Step 6: Final answer
    x = 2,899.59

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1.5x scale

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.