Home / 3,869.37-5,800.41-1,919.70

Finding the Fourth Proportional to 3,869.37, 5,800.41 and 1,919.70

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Solution

The fourth proportional to 3,869.37, 5,800.41 and 1,919.70 is: 2,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.37 : 5,800.41 = 1,919.70 : x
  2. Step 2: Convert to fraction form
    3,869.37/5,800.41 = 1,919.70/x
  3. Step 3: Cross multiply
    3,869.37x = 5,800.41 × 1,919.70
  4. Step 4: Simplify right side
    3,869.37x = 11,135,047.08
  5. Step 5: Solve for x
    x = 11,135,047.08/3,869.37
  6. Step 6: Final answer
    x = 2,877.74

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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.