Home / 2,173.13-2,997.81-1,375.10

Finding the Fourth Proportional to 2,173.13, 2,997.81 and 1,375.10

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Solution

The fourth proportional to 2,173.13, 2,997.81 and 1,375.10 is: 1,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.13 : 2,997.81 = 1,375.10 : x
  2. Step 2: Convert to fraction form
    2,173.13/2,997.81 = 1,375.10/x
  3. Step 3: Cross multiply
    2,173.13x = 2,997.81 × 1,375.10
  4. Step 4: Simplify right side
    2,173.13x = 4,122,290.87
  5. Step 5: Solve for x
    x = 4,122,290.87/2,173.13
  6. Step 6: Final answer
    x = 1,896.94

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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.