Home / 3,722.07-5,137.27-2,912.92

Finding the Fourth Proportional to 3,722.07, 5,137.27 and 2,912.92

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Solution

The fourth proportional to 3,722.07, 5,137.27 and 2,912.92 is: 4,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.07 : 5,137.27 = 2,912.92 : x
  2. Step 2: Convert to fraction form
    3,722.07/5,137.27 = 2,912.92/x
  3. Step 3: Cross multiply
    3,722.07x = 5,137.27 × 2,912.92
  4. Step 4: Simplify right side
    3,722.07x = 14,964,436.40
  5. Step 5: Solve for x
    x = 14,964,436.40/3,722.07
  6. Step 6: Final answer
    x = 4,020.46

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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.