Home / 3,456.94-5,185.86-1,377.14

Finding the Fourth Proportional to 3,456.94, 5,185.86 and 1,377.14

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Solution

The fourth proportional to 3,456.94, 5,185.86 and 1,377.14 is: 2,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.94 : 5,185.86 = 1,377.14 : x
  2. Step 2: Convert to fraction form
    3,456.94/5,185.86 = 1,377.14/x
  3. Step 3: Cross multiply
    3,456.94x = 5,185.86 × 1,377.14
  4. Step 4: Simplify right side
    3,456.94x = 7,141,655.24
  5. Step 5: Solve for x
    x = 7,141,655.24/3,456.94
  6. Step 6: Final answer
    x = 2,065.89

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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.