Home / 3,992.36-5,508.54-2,398.28

Finding the Fourth Proportional to 3,992.36, 5,508.54 and 2,398.28

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Solution

The fourth proportional to 3,992.36, 5,508.54 and 2,398.28 is: 3,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.36 : 5,508.54 = 2,398.28 : x
  2. Step 2: Convert to fraction form
    3,992.36/5,508.54 = 2,398.28/x
  3. Step 3: Cross multiply
    3,992.36x = 5,508.54 × 2,398.28
  4. Step 4: Simplify right side
    3,992.36x = 13,210,993.77
  5. Step 5: Solve for x
    x = 13,210,993.77/3,992.36
  6. Step 6: Final answer
    x = 3,309.07

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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.