Home / 3,992.58-5,509.60-2,224.14

Finding the Fourth Proportional to 3,992.58, 5,509.60 and 2,224.14

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Solution

The fourth proportional to 3,992.58, 5,509.60 and 2,224.14 is: 3,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.58 : 5,509.60 = 2,224.14 : x
  2. Step 2: Convert to fraction form
    3,992.58/5,509.60 = 2,224.14/x
  3. Step 3: Cross multiply
    3,992.58x = 5,509.60 × 2,224.14
  4. Step 4: Simplify right side
    3,992.58x = 12,254,121.74
  5. Step 5: Solve for x
    x = 12,254,121.74/3,992.58
  6. Step 6: Final answer
    x = 3,069.22

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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.