Home / 4,229.60-5,838.80-3,110.72

Finding the Fourth Proportional to 4,229.60, 5,838.80 and 3,110.72

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Solution

The fourth proportional to 4,229.60, 5,838.80 and 3,110.72 is: 4,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.60 : 5,838.80 = 3,110.72 : x
  2. Step 2: Convert to fraction form
    4,229.60/5,838.80 = 3,110.72/x
  3. Step 3: Cross multiply
    4,229.60x = 5,838.80 × 3,110.72
  4. Step 4: Simplify right side
    4,229.60x = 18,162,871.94
  5. Step 5: Solve for x
    x = 18,162,871.94/4,229.60
  6. Step 6: Final answer
    x = 4,294.23

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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.