Home / 2,964.99-4,087.11-2,217.81

Finding the Fourth Proportional to 2,964.99, 4,087.11 and 2,217.81

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Solution

The fourth proportional to 2,964.99, 4,087.11 and 2,217.81 is: 3,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.99 : 4,087.11 = 2,217.81 : x
  2. Step 2: Convert to fraction form
    2,964.99/4,087.11 = 2,217.81/x
  3. Step 3: Cross multiply
    2,964.99x = 4,087.11 × 2,217.81
  4. Step 4: Simplify right side
    2,964.99x = 9,064,433.43
  5. Step 5: Solve for x
    x = 9,064,433.43/2,964.99
  6. Step 6: Final answer
    x = 3,057.15

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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.