Home / 3,407.13-5,111.00-1,327.29

Finding the Fourth Proportional to 3,407.13, 5,111.00 and 1,327.29

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Solution

The fourth proportional to 3,407.13, 5,111.00 and 1,327.29 is: 1,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.13 : 5,111.00 = 1,327.29 : x
  2. Step 2: Convert to fraction form
    3,407.13/5,111.00 = 1,327.29/x
  3. Step 3: Cross multiply
    3,407.13x = 5,111.00 × 1,327.29
  4. Step 4: Simplify right side
    3,407.13x = 6,783,758.36
  5. Step 5: Solve for x
    x = 6,783,758.36/3,407.13
  6. Step 6: Final answer
    x = 1,991.05

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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.