Home / 2,324.11-3,207.86-1,329.70

Finding the Fourth Proportional to 2,324.11, 3,207.86 and 1,329.70

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Solution

The fourth proportional to 2,324.11, 3,207.86 and 1,329.70 is: 1,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.11 : 3,207.86 = 1,329.70 : x
  2. Step 2: Convert to fraction form
    2,324.11/3,207.86 = 1,329.70/x
  3. Step 3: Cross multiply
    2,324.11x = 3,207.86 × 1,329.70
  4. Step 4: Simplify right side
    2,324.11x = 4,265,468.75
  5. Step 5: Solve for x
    x = 4,265,468.75/2,324.11
  6. Step 6: Final answer
    x = 1,835.32

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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.