Home / 3,586.20-5,377.05-1,245.66

Finding the Fourth Proportional to 3,586.20, 5,377.05 and 1,245.66

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Solution

The fourth proportional to 3,586.20, 5,377.05 and 1,245.66 is: 1,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.20 : 5,377.05 = 1,245.66 : x
  2. Step 2: Convert to fraction form
    3,586.20/5,377.05 = 1,245.66/x
  3. Step 3: Cross multiply
    3,586.20x = 5,377.05 × 1,245.66
  4. Step 4: Simplify right side
    3,586.20x = 6,697,976.10
  5. Step 5: Solve for x
    x = 6,697,976.10/3,586.20
  6. Step 6: Final answer
    x = 1,867.71

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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.