Home / 2,372.72-3,270.21-2,101.16

Finding the Fourth Proportional to 2,372.72, 3,270.21 and 2,101.16

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Solution

The fourth proportional to 2,372.72, 3,270.21 and 2,101.16 is: 2,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.72 : 3,270.21 = 2,101.16 : x
  2. Step 2: Convert to fraction form
    2,372.72/3,270.21 = 2,101.16/x
  3. Step 3: Cross multiply
    2,372.72x = 3,270.21 × 2,101.16
  4. Step 4: Simplify right side
    2,372.72x = 6,871,218.09
  5. Step 5: Solve for x
    x = 6,871,218.09/2,372.72
  6. Step 6: Final answer
    x = 2,895.93

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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.