Home / 3,919.93-5,877.24-2,069.08

Finding the Fourth Proportional to 3,919.93, 5,877.24 and 2,069.08

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Solution

The fourth proportional to 3,919.93, 5,877.24 and 2,069.08 is: 3,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.93 : 5,877.24 = 2,069.08 : x
  2. Step 2: Convert to fraction form
    3,919.93/5,877.24 = 2,069.08/x
  3. Step 3: Cross multiply
    3,919.93x = 5,877.24 × 2,069.08
  4. Step 4: Simplify right side
    3,919.93x = 12,160,479.74
  5. Step 5: Solve for x
    x = 12,160,479.74/3,919.93
  6. Step 6: Final answer
    x = 3,102.22

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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.