Home / 3,722.14-5,135.46-2,660.23

Finding the Fourth Proportional to 3,722.14, 5,135.46 and 2,660.23

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Solution

The fourth proportional to 3,722.14, 5,135.46 and 2,660.23 is: 3,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.14 : 5,135.46 = 2,660.23 : x
  2. Step 2: Convert to fraction form
    3,722.14/5,135.46 = 2,660.23/x
  3. Step 3: Cross multiply
    3,722.14x = 5,135.46 × 2,660.23
  4. Step 4: Simplify right side
    3,722.14x = 13,661,479.08
  5. Step 5: Solve for x
    x = 13,661,479.08/3,722.14
  6. Step 6: Final answer
    x = 3,670.33

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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.