Home / 3,100.43-4,643.88-1,910.84

Finding the Fourth Proportional to 3,100.43, 4,643.88 and 1,910.84

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Solution

The fourth proportional to 3,100.43, 4,643.88 and 1,910.84 is: 2,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.43 : 4,643.88 = 1,910.84 : x
  2. Step 2: Convert to fraction form
    3,100.43/4,643.88 = 1,910.84/x
  3. Step 3: Cross multiply
    3,100.43x = 4,643.88 × 1,910.84
  4. Step 4: Simplify right side
    3,100.43x = 8,873,688.44
  5. Step 5: Solve for x
    x = 8,873,688.44/3,100.43
  6. Step 6: Final answer
    x = 2,862.09

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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.