Home / 2,456.18-3,388.68-1,617.38

Finding the Fourth Proportional to 2,456.18, 3,388.68 and 1,617.38

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Solution

The fourth proportional to 2,456.18, 3,388.68 and 1,617.38 is: 2,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.18 : 3,388.68 = 1,617.38 : x
  2. Step 2: Convert to fraction form
    2,456.18/3,388.68 = 1,617.38/x
  3. Step 3: Cross multiply
    2,456.18x = 3,388.68 × 1,617.38
  4. Step 4: Simplify right side
    2,456.18x = 5,480,783.26
  5. Step 5: Solve for x
    x = 5,480,783.26/2,456.18
  6. Step 6: Final answer
    x = 2,231.43

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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.