Home / 2,135.80-3,202.62-1,354.42

Finding the Fourth Proportional to 2,135.80, 3,202.62 and 1,354.42

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Solution

The fourth proportional to 2,135.80, 3,202.62 and 1,354.42 is: 2,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.80 : 3,202.62 = 1,354.42 : x
  2. Step 2: Convert to fraction form
    2,135.80/3,202.62 = 1,354.42/x
  3. Step 3: Cross multiply
    2,135.80x = 3,202.62 × 1,354.42
  4. Step 4: Simplify right side
    2,135.80x = 4,337,692.58
  5. Step 5: Solve for x
    x = 4,337,692.58/2,135.80
  6. Step 6: Final answer
    x = 2,030.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.