Home / 2,340.25-3,229.53-1,292.31

Finding the Fourth Proportional to 2,340.25, 3,229.53 and 1,292.31

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Solution

The fourth proportional to 2,340.25, 3,229.53 and 1,292.31 is: 1,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.25 : 3,229.53 = 1,292.31 : x
  2. Step 2: Convert to fraction form
    2,340.25/3,229.53 = 1,292.31/x
  3. Step 3: Cross multiply
    2,340.25x = 3,229.53 × 1,292.31
  4. Step 4: Simplify right side
    2,340.25x = 4,173,553.91
  5. Step 5: Solve for x
    x = 4,173,553.91/2,340.25
  6. Step 6: Final answer
    x = 1,783.38

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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.