Home / 3,481.70-5,224.34-2,312.51

Finding the Fourth Proportional to 3,481.70, 5,224.34 and 2,312.51

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Solution

The fourth proportional to 3,481.70, 5,224.34 and 2,312.51 is: 3,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.70 : 5,224.34 = 2,312.51 : x
  2. Step 2: Convert to fraction form
    3,481.70/5,224.34 = 2,312.51/x
  3. Step 3: Cross multiply
    3,481.70x = 5,224.34 × 2,312.51
  4. Step 4: Simplify right side
    3,481.70x = 12,081,338.49
  5. Step 5: Solve for x
    x = 12,081,338.49/3,481.70
  6. Step 6: Final answer
    x = 3,469.95

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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.