Home / 3,456.62-5,184.94-1,377.76

Finding the Fourth Proportional to 3,456.62, 5,184.94 and 1,377.76

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Solution

The fourth proportional to 3,456.62, 5,184.94 and 1,377.76 is: 2,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.62 : 5,184.94 = 1,377.76 : x
  2. Step 2: Convert to fraction form
    3,456.62/5,184.94 = 1,377.76/x
  3. Step 3: Cross multiply
    3,456.62x = 5,184.94 × 1,377.76
  4. Step 4: Simplify right side
    3,456.62x = 7,143,602.93
  5. Step 5: Solve for x
    x = 7,143,602.93/3,456.62
  6. Step 6: Final answer
    x = 2,066.64

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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.