Home / 3,108.33-4,289.52-1,692.05

Finding the Fourth Proportional to 3,108.33, 4,289.52 and 1,692.05

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Solution

The fourth proportional to 3,108.33, 4,289.52 and 1,692.05 is: 2,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.33 : 4,289.52 = 1,692.05 : x
  2. Step 2: Convert to fraction form
    3,108.33/4,289.52 = 1,692.05/x
  3. Step 3: Cross multiply
    3,108.33x = 4,289.52 × 1,692.05
  4. Step 4: Simplify right side
    3,108.33x = 7,258,060.87
  5. Step 5: Solve for x
    x = 7,258,060.87/3,108.33
  6. Step 6: Final answer
    x = 2,335.04

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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.