Home / 3,285.78-4,917.30-2,693.94

Finding the Fourth Proportional to 3,285.78, 4,917.30 and 2,693.94

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Solution

The fourth proportional to 3,285.78, 4,917.30 and 2,693.94 is: 4,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.78 : 4,917.30 = 2,693.94 : x
  2. Step 2: Convert to fraction form
    3,285.78/4,917.30 = 2,693.94/x
  3. Step 3: Cross multiply
    3,285.78x = 4,917.30 × 2,693.94
  4. Step 4: Simplify right side
    3,285.78x = 13,246,911.16
  5. Step 5: Solve for x
    x = 13,246,911.16/3,285.78
  6. Step 6: Final answer
    x = 4,031.59

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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.