Home / 3,469.19-4,787.49-1,897.29

Finding the Fourth Proportional to 3,469.19, 4,787.49 and 1,897.29

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Solution

The fourth proportional to 3,469.19, 4,787.49 and 1,897.29 is: 2,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.19 : 4,787.49 = 1,897.29 : x
  2. Step 2: Convert to fraction form
    3,469.19/4,787.49 = 1,897.29/x
  3. Step 3: Cross multiply
    3,469.19x = 4,787.49 × 1,897.29
  4. Step 4: Simplify right side
    3,469.19x = 9,083,256.90
  5. Step 5: Solve for x
    x = 9,083,256.90/3,469.19
  6. Step 6: Final answer
    x = 2,618.26

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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.