Home / 3,321.06-4,581.52-1,992.45

Finding the Fourth Proportional to 3,321.06, 4,581.52 and 1,992.45

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Solution

The fourth proportional to 3,321.06, 4,581.52 and 1,992.45 is: 2,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.06 : 4,581.52 = 1,992.45 : x
  2. Step 2: Convert to fraction form
    3,321.06/4,581.52 = 1,992.45/x
  3. Step 3: Cross multiply
    3,321.06x = 4,581.52 × 1,992.45
  4. Step 4: Simplify right side
    3,321.06x = 9,128,449.52
  5. Step 5: Solve for x
    x = 9,128,449.52/3,321.06
  6. Step 6: Final answer
    x = 2,748.66

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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.