Home / 3,743.16-5,165.52-2,172.12

Finding the Fourth Proportional to 3,743.16, 5,165.52 and 2,172.12

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Solution

The fourth proportional to 3,743.16, 5,165.52 and 2,172.12 is: 2,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.16 : 5,165.52 = 2,172.12 : x
  2. Step 2: Convert to fraction form
    3,743.16/5,165.52 = 2,172.12/x
  3. Step 3: Cross multiply
    3,743.16x = 5,165.52 × 2,172.12
  4. Step 4: Simplify right side
    3,743.16x = 11,220,129.30
  5. Step 5: Solve for x
    x = 11,220,129.30/3,743.16
  6. Step 6: Final answer
    x = 2,997.50

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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.