Home / 3,951.80-5,919.90-2,566.10

Finding the Fourth Proportional to 3,951.80, 5,919.90 and 2,566.10

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Solution

The fourth proportional to 3,951.80, 5,919.90 and 2,566.10 is: 3,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.80 : 5,919.90 = 2,566.10 : x
  2. Step 2: Convert to fraction form
    3,951.80/5,919.90 = 2,566.10/x
  3. Step 3: Cross multiply
    3,951.80x = 5,919.90 × 2,566.10
  4. Step 4: Simplify right side
    3,951.80x = 15,191,055.39
  5. Step 5: Solve for x
    x = 15,191,055.39/3,951.80
  6. Step 6: Final answer
    x = 3,844.09

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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.