Home / 3,497.92-5,245.40-1,418.38

Finding the Fourth Proportional to 3,497.92, 5,245.40 and 1,418.38

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Solution

The fourth proportional to 3,497.92, 5,245.40 and 1,418.38 is: 2,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.92 : 5,245.40 = 1,418.38 : x
  2. Step 2: Convert to fraction form
    3,497.92/5,245.40 = 1,418.38/x
  3. Step 3: Cross multiply
    3,497.92x = 5,245.40 × 1,418.38
  4. Step 4: Simplify right side
    3,497.92x = 7,439,963.36
  5. Step 5: Solve for x
    x = 7,439,963.36/3,497.92
  6. Step 6: Final answer
    x = 2,126.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.