Home / 3,904.70-5,388.62-2,488.41

Finding the Fourth Proportional to 3,904.70, 5,388.62 and 2,488.41

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Solution

The fourth proportional to 3,904.70, 5,388.62 and 2,488.41 is: 3,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.70 : 5,388.62 = 2,488.41 : x
  2. Step 2: Convert to fraction form
    3,904.70/5,388.62 = 2,488.41/x
  3. Step 3: Cross multiply
    3,904.70x = 5,388.62 × 2,488.41
  4. Step 4: Simplify right side
    3,904.70x = 13,409,083.45
  5. Step 5: Solve for x
    x = 13,409,083.45/3,904.70
  6. Step 6: Final answer
    x = 3,434.09

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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.