Home / 3,964.48-5,470.91-2,392.57

Finding the Fourth Proportional to 3,964.48, 5,470.91 and 2,392.57

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Solution

The fourth proportional to 3,964.48, 5,470.91 and 2,392.57 is: 3,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.48 : 5,470.91 = 2,392.57 : x
  2. Step 2: Convert to fraction form
    3,964.48/5,470.91 = 2,392.57/x
  3. Step 3: Cross multiply
    3,964.48x = 5,470.91 × 2,392.57
  4. Step 4: Simplify right side
    3,964.48x = 13,089,538.99
  5. Step 5: Solve for x
    x = 13,089,538.99/3,964.48
  6. Step 6: Final answer
    x = 3,301.71

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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.