Home / 3,980.36-5,493.33-2,302.22

Finding the Fourth Proportional to 3,980.36, 5,493.33 and 2,302.22

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Solution

The fourth proportional to 3,980.36, 5,493.33 and 2,302.22 is: 3,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.36 : 5,493.33 = 2,302.22 : x
  2. Step 2: Convert to fraction form
    3,980.36/5,493.33 = 2,302.22/x
  3. Step 3: Cross multiply
    3,980.36x = 5,493.33 × 2,302.22
  4. Step 4: Simplify right side
    3,980.36x = 12,646,826.73
  5. Step 5: Solve for x
    x = 12,646,826.73/3,980.36
  6. Step 6: Final answer
    x = 3,177.31

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1.5x scale

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.