Home / 2,217.65-3,325.61-736.40

Finding the Fourth Proportional to 2,217.65, 3,325.61 and 736.40

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Solution

The fourth proportional to 2,217.65, 3,325.61 and 736.40 is: 1,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.65 : 3,325.61 = 736.40 : x
  2. Step 2: Convert to fraction form
    2,217.65/3,325.61 = 736.40/x
  3. Step 3: Cross multiply
    2,217.65x = 3,325.61 × 736.40
  4. Step 4: Simplify right side
    2,217.65x = 2,448,989.36
  5. Step 5: Solve for x
    x = 2,448,989.36/2,217.65
  6. Step 6: Final answer
    x = 1,104.32

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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.