Home / 2,318.97-3,200.16-1,324.18

Finding the Fourth Proportional to 2,318.97, 3,200.16 and 1,324.18

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Solution

The fourth proportional to 2,318.97, 3,200.16 and 1,324.18 is: 1,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.97 : 3,200.16 = 1,324.18 : x
  2. Step 2: Convert to fraction form
    2,318.97/3,200.16 = 1,324.18/x
  3. Step 3: Cross multiply
    2,318.97x = 3,200.16 × 1,324.18
  4. Step 4: Simplify right side
    2,318.97x = 4,237,587.87
  5. Step 5: Solve for x
    x = 4,237,587.87/2,318.97
  6. Step 6: Final answer
    x = 1,827.36

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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.