Home / 3,980.24-5,493.52-2,302.02

Finding the Fourth Proportional to 3,980.24, 5,493.52 and 2,302.02

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Solution

The fourth proportional to 3,980.24, 5,493.52 and 2,302.02 is: 3,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.24 : 5,493.52 = 2,302.02 : x
  2. Step 2: Convert to fraction form
    3,980.24/5,493.52 = 2,302.02/x
  3. Step 3: Cross multiply
    3,980.24x = 5,493.52 × 2,302.02
  4. Step 4: Simplify right side
    3,980.24x = 12,646,195.79
  5. Step 5: Solve for x
    x = 12,646,195.79/3,980.24
  6. Step 6: Final answer
    x = 3,177.25

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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.