Home / 3,005.06-4,507.58-2,188.53

Finding the Fourth Proportional to 3,005.06, 4,507.58 and 2,188.53

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Solution

The fourth proportional to 3,005.06, 4,507.58 and 2,188.53 is: 3,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.06 : 4,507.58 = 2,188.53 : x
  2. Step 2: Convert to fraction form
    3,005.06/4,507.58 = 2,188.53/x
  3. Step 3: Cross multiply
    3,005.06x = 4,507.58 × 2,188.53
  4. Step 4: Simplify right side
    3,005.06x = 9,864,974.06
  5. Step 5: Solve for x
    x = 9,864,974.06/3,005.06
  6. Step 6: Final answer
    x = 3,282.79

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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.