Home / 3,469.32-4,787.76-1,897.52

Finding the Fourth Proportional to 3,469.32, 4,787.76 and 1,897.52

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Solution

The fourth proportional to 3,469.32, 4,787.76 and 1,897.52 is: 2,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.32 : 4,787.76 = 1,897.52 : x
  2. Step 2: Convert to fraction form
    3,469.32/4,787.76 = 1,897.52/x
  3. Step 3: Cross multiply
    3,469.32x = 4,787.76 × 1,897.52
  4. Step 4: Simplify right side
    3,469.32x = 9,084,846.42
  5. Step 5: Solve for x
    x = 9,084,846.42/3,469.32
  6. Step 6: Final answer
    x = 2,618.62

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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.