Home / 3,992.13-5,509.44-2,645.46

Finding the Fourth Proportional to 3,992.13, 5,509.44 and 2,645.46

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Solution

The fourth proportional to 3,992.13, 5,509.44 and 2,645.46 is: 3,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.13 : 5,509.44 = 2,645.46 : x
  2. Step 2: Convert to fraction form
    3,992.13/5,509.44 = 2,645.46/x
  3. Step 3: Cross multiply
    3,992.13x = 5,509.44 × 2,645.46
  4. Step 4: Simplify right side
    3,992.13x = 14,575,003.14
  5. Step 5: Solve for x
    x = 14,575,003.14/3,992.13
  6. Step 6: Final answer
    x = 3,650.93

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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.