Home / 2,213.74-3,320.46-826.93

Finding the Fourth Proportional to 2,213.74, 3,320.46 and 826.93

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Solution

The fourth proportional to 2,213.74, 3,320.46 and 826.93 is: 1,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.74 : 3,320.46 = 826.93 : x
  2. Step 2: Convert to fraction form
    2,213.74/3,320.46 = 826.93/x
  3. Step 3: Cross multiply
    2,213.74x = 3,320.46 × 826.93
  4. Step 4: Simplify right side
    2,213.74x = 2,745,787.99
  5. Step 5: Solve for x
    x = 2,745,787.99/2,213.74
  6. Step 6: Final answer
    x = 1,240.34

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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.