Home / 2,217.04-3,325.83-919.42

Finding the Fourth Proportional to 2,217.04, 3,325.83 and 919.42

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Solution

The fourth proportional to 2,217.04, 3,325.83 and 919.42 is: 1,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.04 : 3,325.83 = 919.42 : x
  2. Step 2: Convert to fraction form
    2,217.04/3,325.83 = 919.42/x
  3. Step 3: Cross multiply
    2,217.04x = 3,325.83 × 919.42
  4. Step 4: Simplify right side
    2,217.04x = 3,057,834.62
  5. Step 5: Solve for x
    x = 3,057,834.62/2,217.04
  6. Step 6: Final answer
    x = 1,379.24

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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.