Home / 1,372.11-2,058.16-1,096.91

Finding the Fourth Proportional to 1,372.11, 2,058.16 and 1,096.91

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Solution

The fourth proportional to 1,372.11, 2,058.16 and 1,096.91 is: 1,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.11 : 2,058.16 = 1,096.91 : x
  2. Step 2: Convert to fraction form
    1,372.11/2,058.16 = 1,096.91/x
  3. Step 3: Cross multiply
    1,372.11x = 2,058.16 × 1,096.91
  4. Step 4: Simplify right side
    1,372.11x = 2,257,616.29
  5. Step 5: Solve for x
    x = 2,257,616.29/1,372.11
  6. Step 6: Final answer
    x = 1,645.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.