Home / 3,087.42-4,626.81-2,217.66

Finding the Fourth Proportional to 3,087.42, 4,626.81 and 2,217.66

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Solution

The fourth proportional to 3,087.42, 4,626.81 and 2,217.66 is: 3,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.42 : 4,626.81 = 2,217.66 : x
  2. Step 2: Convert to fraction form
    3,087.42/4,626.81 = 2,217.66/x
  3. Step 3: Cross multiply
    3,087.42x = 4,626.81 × 2,217.66
  4. Step 4: Simplify right side
    3,087.42x = 10,260,691.46
  5. Step 5: Solve for x
    x = 10,260,691.46/3,087.42
  6. Step 6: Final answer
    x = 3,323.39

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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.