Home / 2,481.18-3,423.60-1,418.97

Finding the Fourth Proportional to 2,481.18, 3,423.60 and 1,418.97

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Solution

The fourth proportional to 2,481.18, 3,423.60 and 1,418.97 is: 1,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.18 : 3,423.60 = 1,418.97 : x
  2. Step 2: Convert to fraction form
    2,481.18/3,423.60 = 1,418.97/x
  3. Step 3: Cross multiply
    2,481.18x = 3,423.60 × 1,418.97
  4. Step 4: Simplify right side
    2,481.18x = 4,857,985.69
  5. Step 5: Solve for x
    x = 4,857,985.69/2,481.18
  6. Step 6: Final answer
    x = 1,957.93

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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.