Home / 3,321.67-4,587.02-2,081.83

Finding the Fourth Proportional to 3,321.67, 4,587.02 and 2,081.83

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Solution

The fourth proportional to 3,321.67, 4,587.02 and 2,081.83 is: 2,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.67 : 4,587.02 = 2,081.83 : x
  2. Step 2: Convert to fraction form
    3,321.67/4,587.02 = 2,081.83/x
  3. Step 3: Cross multiply
    3,321.67x = 4,587.02 × 2,081.83
  4. Step 4: Simplify right side
    3,321.67x = 9,549,395.85
  5. Step 5: Solve for x
    x = 9,549,395.85/3,321.67
  6. Step 6: Final answer
    x = 2,874.88

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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.