Home / 2,214.24-3,321.36-914.82

Finding the Fourth Proportional to 2,214.24, 3,321.36 and 914.82

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Solution

The fourth proportional to 2,214.24, 3,321.36 and 914.82 is: 1,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.24 : 3,321.36 = 914.82 : x
  2. Step 2: Convert to fraction form
    2,214.24/3,321.36 = 914.82/x
  3. Step 3: Cross multiply
    2,214.24x = 3,321.36 × 914.82
  4. Step 4: Simplify right side
    2,214.24x = 3,038,446.56
  5. Step 5: Solve for x
    x = 3,038,446.56/2,214.24
  6. Step 6: Final answer
    x = 1,372.23

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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.