Home / 4,081.20-6,118.36-1,770.96

Finding the Fourth Proportional to 4,081.20, 6,118.36 and 1,770.96

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Solution

The fourth proportional to 4,081.20, 6,118.36 and 1,770.96 is: 2,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.20 : 6,118.36 = 1,770.96 : x
  2. Step 2: Convert to fraction form
    4,081.20/6,118.36 = 1,770.96/x
  3. Step 3: Cross multiply
    4,081.20x = 6,118.36 × 1,770.96
  4. Step 4: Simplify right side
    4,081.20x = 10,835,370.83
  5. Step 5: Solve for x
    x = 10,835,370.83/4,081.20
  6. Step 6: Final answer
    x = 2,654.95

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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.