Home / 2,436.85-3,654.05-1,120.19

Finding the Fourth Proportional to 2,436.85, 3,654.05 and 1,120.19

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Solution

The fourth proportional to 2,436.85, 3,654.05 and 1,120.19 is: 1,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.85 : 3,654.05 = 1,120.19 : x
  2. Step 2: Convert to fraction form
    2,436.85/3,654.05 = 1,120.19/x
  3. Step 3: Cross multiply
    2,436.85x = 3,654.05 × 1,120.19
  4. Step 4: Simplify right side
    2,436.85x = 4,093,230.27
  5. Step 5: Solve for x
    x = 4,093,230.27/2,436.85
  6. Step 6: Final answer
    x = 1,679.73

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1.5x scale

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.