Home / 3,438.60-4,743.92-2,110

Finding the Fourth Proportional to 3,438.60, 4,743.92 and 2,110

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Solution

The fourth proportional to 3,438.60, 4,743.92 and 2,110 is: 2,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.60 : 4,743.92 = 2,110 : x
  2. Step 2: Convert to fraction form
    3,438.60/4,743.92 = 2,110/x
  3. Step 3: Cross multiply
    3,438.60x = 4,743.92 × 2,110
  4. Step 4: Simplify right side
    3,438.60x = 10,009,671.20
  5. Step 5: Solve for x
    x = 10,009,671.20/3,438.60
  6. Step 6: Final answer
    x = 2,910.97

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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.