Home / 2,217.18-3,325.06-830.46

Finding the Fourth Proportional to 2,217.18, 3,325.06 and 830.46

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Solution

The fourth proportional to 2,217.18, 3,325.06 and 830.46 is: 1,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.18 : 3,325.06 = 830.46 : x
  2. Step 2: Convert to fraction form
    2,217.18/3,325.06 = 830.46/x
  3. Step 3: Cross multiply
    2,217.18x = 3,325.06 × 830.46
  4. Step 4: Simplify right side
    2,217.18x = 2,761,329.33
  5. Step 5: Solve for x
    x = 2,761,329.33/2,217.18
  6. Step 6: Final answer
    x = 1,245.42

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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.