Home / 3,469.29-4,787.67-1,897.35

Finding the Fourth Proportional to 3,469.29, 4,787.67 and 1,897.35

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Solution

The fourth proportional to 3,469.29, 4,787.67 and 1,897.35 is: 2,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.29 : 4,787.67 = 1,897.35 : x
  2. Step 2: Convert to fraction form
    3,469.29/4,787.67 = 1,897.35/x
  3. Step 3: Cross multiply
    3,469.29x = 4,787.67 × 1,897.35
  4. Step 4: Simplify right side
    3,469.29x = 9,083,885.67
  5. Step 5: Solve for x
    x = 9,083,885.67/3,469.29
  6. Step 6: Final answer
    x = 2,618.37

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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.