Home / 3,076.66-4,609.68-1,690.98

Finding the Fourth Proportional to 3,076.66, 4,609.68 and 1,690.98

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Solution

The fourth proportional to 3,076.66, 4,609.68 and 1,690.98 is: 2,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.66 : 4,609.68 = 1,690.98 : x
  2. Step 2: Convert to fraction form
    3,076.66/4,609.68 = 1,690.98/x
  3. Step 3: Cross multiply
    3,076.66x = 4,609.68 × 1,690.98
  4. Step 4: Simplify right side
    3,076.66x = 7,794,876.69
  5. Step 5: Solve for x
    x = 7,794,876.69/3,076.66
  6. Step 6: Final answer
    x = 2,533.55

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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.