Home / 3,681.22-5,508.86-2,808.58

Finding the Fourth Proportional to 3,681.22, 5,508.86 and 2,808.58

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Solution

The fourth proportional to 3,681.22, 5,508.86 and 2,808.58 is: 4,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.22 : 5,508.86 = 2,808.58 : x
  2. Step 2: Convert to fraction form
    3,681.22/5,508.86 = 2,808.58/x
  3. Step 3: Cross multiply
    3,681.22x = 5,508.86 × 2,808.58
  4. Step 4: Simplify right side
    3,681.22x = 15,472,074.02
  5. Step 5: Solve for x
    x = 15,472,074.02/3,681.22
  6. Step 6: Final answer
    x = 4,202.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.