Home / 3,919.58-5,877-1,840.04

Finding the Fourth Proportional to 3,919.58, 5,877 and 1,840.04

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Solution

The fourth proportional to 3,919.58, 5,877 and 1,840.04 is: 2,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.58 : 5,877 = 1,840.04 : x
  2. Step 2: Convert to fraction form
    3,919.58/5,877 = 1,840.04/x
  3. Step 3: Cross multiply
    3,919.58x = 5,877 × 1,840.04
  4. Step 4: Simplify right side
    3,919.58x = 10,813,885.70
  5. Step 5: Solve for x
    x = 10,813,885.70/3,919.58
  6. Step 6: Final answer
    x = 2,758.94

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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.