Home / 3,099.43-4,277.97-1,904.71

Finding the Fourth Proportional to 3,099.43, 4,277.97 and 1,904.71

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Solution

The fourth proportional to 3,099.43, 4,277.97 and 1,904.71 is: 2,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.43 : 4,277.97 = 1,904.71 : x
  2. Step 2: Convert to fraction form
    3,099.43/4,277.97 = 1,904.71/x
  3. Step 3: Cross multiply
    3,099.43x = 4,277.97 × 1,904.71
  4. Step 4: Simplify right side
    3,099.43x = 8,148,292.24
  5. Step 5: Solve for x
    x = 8,148,292.24/3,099.43
  6. Step 6: Final answer
    x = 2,628.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.