Home / 2,165.36-3,243.77-1,126.04

Finding the Fourth Proportional to 2,165.36, 3,243.77 and 1,126.04

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Solution

The fourth proportional to 2,165.36, 3,243.77 and 1,126.04 is: 1,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.36 : 3,243.77 = 1,126.04 : x
  2. Step 2: Convert to fraction form
    2,165.36/3,243.77 = 1,126.04/x
  3. Step 3: Cross multiply
    2,165.36x = 3,243.77 × 1,126.04
  4. Step 4: Simplify right side
    2,165.36x = 3,652,617.25
  5. Step 5: Solve for x
    x = 3,652,617.25/2,165.36
  6. Step 6: Final answer
    x = 1,686.84

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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.