Home / 3,448.26-4,758.71-2,121.71

Finding the Fourth Proportional to 3,448.26, 4,758.71 and 2,121.71

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Solution

The fourth proportional to 3,448.26, 4,758.71 and 2,121.71 is: 2,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.26 : 4,758.71 = 2,121.71 : x
  2. Step 2: Convert to fraction form
    3,448.26/4,758.71 = 2,121.71/x
  3. Step 3: Cross multiply
    3,448.26x = 4,758.71 × 2,121.71
  4. Step 4: Simplify right side
    3,448.26x = 10,096,568.19
  5. Step 5: Solve for x
    x = 10,096,568.19/3,448.26
  6. Step 6: Final answer
    x = 2,928.02

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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.