Home / 2,230.37-3,343.19-1,613.78

Finding the Fourth Proportional to 2,230.37, 3,343.19 and 1,613.78

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Solution

The fourth proportional to 2,230.37, 3,343.19 and 1,613.78 is: 2,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.37 : 3,343.19 = 1,613.78 : x
  2. Step 2: Convert to fraction form
    2,230.37/3,343.19 = 1,613.78/x
  3. Step 3: Cross multiply
    2,230.37x = 3,343.19 × 1,613.78
  4. Step 4: Simplify right side
    2,230.37x = 5,395,148.37
  5. Step 5: Solve for x
    x = 5,395,148.37/2,230.37
  6. Step 6: Final answer
    x = 2,418.95

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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.