Home / 3,937.04-5,906.40-1,341.68

Finding the Fourth Proportional to 3,937.04, 5,906.40 and 1,341.68

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Solution

The fourth proportional to 3,937.04, 5,906.40 and 1,341.68 is: 2,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.04 : 5,906.40 = 1,341.68 : x
  2. Step 2: Convert to fraction form
    3,937.04/5,906.40 = 1,341.68/x
  3. Step 3: Cross multiply
    3,937.04x = 5,906.40 × 1,341.68
  4. Step 4: Simplify right side
    3,937.04x = 7,924,498.75
  5. Step 5: Solve for x
    x = 7,924,498.75/3,937.04
  6. Step 6: Final answer
    x = 2,012.81

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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.