Home / 3,743.89-5,166.84-2,172.13

Finding the Fourth Proportional to 3,743.89, 5,166.84 and 2,172.13

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Solution

The fourth proportional to 3,743.89, 5,166.84 and 2,172.13 is: 2,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.89 : 5,166.84 = 2,172.13 : x
  2. Step 2: Convert to fraction form
    3,743.89/5,166.84 = 2,172.13/x
  3. Step 3: Cross multiply
    3,743.89x = 5,166.84 × 2,172.13
  4. Step 4: Simplify right side
    3,743.89x = 11,223,048.17
  5. Step 5: Solve for x
    x = 11,223,048.17/3,743.89
  6. Step 6: Final answer
    x = 2,997.70

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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.