Home / 3,268.06-4,508.04-2,087.80

Finding the Fourth Proportional to 3,268.06, 4,508.04 and 2,087.80

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Solution

The fourth proportional to 3,268.06, 4,508.04 and 2,087.80 is: 2,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.06 : 4,508.04 = 2,087.80 : x
  2. Step 2: Convert to fraction form
    3,268.06/4,508.04 = 2,087.80/x
  3. Step 3: Cross multiply
    3,268.06x = 4,508.04 × 2,087.80
  4. Step 4: Simplify right side
    3,268.06x = 9,411,885.91
  5. Step 5: Solve for x
    x = 9,411,885.91/3,268.06
  6. Step 6: Final answer
    x = 2,879.96

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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.