Home / 3,967.20-5,948.64-1,369.92

Finding the Fourth Proportional to 3,967.20, 5,948.64 and 1,369.92

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Solution

The fourth proportional to 3,967.20, 5,948.64 and 1,369.92 is: 2,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.20 : 5,948.64 = 1,369.92 : x
  2. Step 2: Convert to fraction form
    3,967.20/5,948.64 = 1,369.92/x
  3. Step 3: Cross multiply
    3,967.20x = 5,948.64 × 1,369.92
  4. Step 4: Simplify right side
    3,967.20x = 8,149,160.91
  5. Step 5: Solve for x
    x = 8,149,160.91/3,967.20
  6. Step 6: Final answer
    x = 2,054.13

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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.