Home / 3,451.66-5,177.40-1,111.82

Finding the Fourth Proportional to 3,451.66, 5,177.40 and 1,111.82

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Solution

The fourth proportional to 3,451.66, 5,177.40 and 1,111.82 is: 1,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.66 : 5,177.40 = 1,111.82 : x
  2. Step 2: Convert to fraction form
    3,451.66/5,177.40 = 1,111.82/x
  3. Step 3: Cross multiply
    3,451.66x = 5,177.40 × 1,111.82
  4. Step 4: Simplify right side
    3,451.66x = 5,756,349.81
  5. Step 5: Solve for x
    x = 5,756,349.81/3,451.66
  6. Step 6: Final answer
    x = 1,667.71

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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.