Home / 2,170.36-2,992.11-1,373.29

Finding the Fourth Proportional to 2,170.36, 2,992.11 and 1,373.29

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Solution

The fourth proportional to 2,170.36, 2,992.11 and 1,373.29 is: 1,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.36 : 2,992.11 = 1,373.29 : x
  2. Step 2: Convert to fraction form
    2,170.36/2,992.11 = 1,373.29/x
  3. Step 3: Cross multiply
    2,170.36x = 2,992.11 × 1,373.29
  4. Step 4: Simplify right side
    2,170.36x = 4,109,022.11
  5. Step 5: Solve for x
    x = 4,109,022.11/2,170.36
  6. Step 6: Final answer
    x = 1,893.24

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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.