Home / 3,743.58-5,167.41-2,172.18

Finding the Fourth Proportional to 3,743.58, 5,167.41 and 2,172.18

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Solution

The fourth proportional to 3,743.58, 5,167.41 and 2,172.18 is: 2,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.58 : 5,167.41 = 2,172.18 : x
  2. Step 2: Convert to fraction form
    3,743.58/5,167.41 = 2,172.18/x
  3. Step 3: Cross multiply
    3,743.58x = 5,167.41 × 2,172.18
  4. Step 4: Simplify right side
    3,743.58x = 11,224,544.65
  5. Step 5: Solve for x
    x = 11,224,544.65/3,743.58
  6. Step 6: Final answer
    x = 2,998.35

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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.