Home / 3,948.34-5,910.16-2,909.51

Finding the Fourth Proportional to 3,948.34, 5,910.16 and 2,909.51

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Solution

The fourth proportional to 3,948.34, 5,910.16 and 2,909.51 is: 4,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.34 : 5,910.16 = 2,909.51 : x
  2. Step 2: Convert to fraction form
    3,948.34/5,910.16 = 2,909.51/x
  3. Step 3: Cross multiply
    3,948.34x = 5,910.16 × 2,909.51
  4. Step 4: Simplify right side
    3,948.34x = 17,195,669.62
  5. Step 5: Solve for x
    x = 17,195,669.62/3,948.34
  6. Step 6: Final answer
    x = 4,355.16

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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.