Home / 2,318.42-3,198.93-1,324.02

Finding the Fourth Proportional to 2,318.42, 3,198.93 and 1,324.02

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Solution

The fourth proportional to 2,318.42, 3,198.93 and 1,324.02 is: 1,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.42 : 3,198.93 = 1,324.02 : x
  2. Step 2: Convert to fraction form
    2,318.42/3,198.93 = 1,324.02/x
  3. Step 3: Cross multiply
    2,318.42x = 3,198.93 × 1,324.02
  4. Step 4: Simplify right side
    2,318.42x = 4,235,447.30
  5. Step 5: Solve for x
    x = 4,235,447.30/2,318.42
  6. Step 6: Final answer
    x = 1,826.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.