Home / 3,432.82-4,737.53-1,940.87

Finding the Fourth Proportional to 3,432.82, 4,737.53 and 1,940.87

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Solution

The fourth proportional to 3,432.82, 4,737.53 and 1,940.87 is: 2,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.82 : 4,737.53 = 1,940.87 : x
  2. Step 2: Convert to fraction form
    3,432.82/4,737.53 = 1,940.87/x
  3. Step 3: Cross multiply
    3,432.82x = 4,737.53 × 1,940.87
  4. Step 4: Simplify right side
    3,432.82x = 9,194,929.85
  5. Step 5: Solve for x
    x = 9,194,929.85/3,432.82
  6. Step 6: Final answer
    x = 2,678.54

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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.