Home / 3,103.46-4,282.62-1,776.86

Finding the Fourth Proportional to 3,103.46, 4,282.62 and 1,776.86

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Solution

The fourth proportional to 3,103.46, 4,282.62 and 1,776.86 is: 2,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.46 : 4,282.62 = 1,776.86 : x
  2. Step 2: Convert to fraction form
    3,103.46/4,282.62 = 1,776.86/x
  3. Step 3: Cross multiply
    3,103.46x = 4,282.62 × 1,776.86
  4. Step 4: Simplify right side
    3,103.46x = 7,609,616.17
  5. Step 5: Solve for x
    x = 7,609,616.17/3,103.46
  6. Step 6: Final answer
    x = 2,451.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.