Home / 3,986.37-5,500.08-2,392.59

Finding the Fourth Proportional to 3,986.37, 5,500.08 and 2,392.59

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Solution

The fourth proportional to 3,986.37, 5,500.08 and 2,392.59 is: 3,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.37 : 5,500.08 = 2,392.59 : x
  2. Step 2: Convert to fraction form
    3,986.37/5,500.08 = 2,392.59/x
  3. Step 3: Cross multiply
    3,986.37x = 5,500.08 × 2,392.59
  4. Step 4: Simplify right side
    3,986.37x = 13,159,436.41
  5. Step 5: Solve for x
    x = 13,159,436.41/3,986.37
  6. Step 6: Final answer
    x = 3,301.11

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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.