Home / 3,530.26-5,285.86-2,212.44

Finding the Fourth Proportional to 3,530.26, 5,285.86 and 2,212.44

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Solution

The fourth proportional to 3,530.26, 5,285.86 and 2,212.44 is: 3,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.26 : 5,285.86 = 2,212.44 : x
  2. Step 2: Convert to fraction form
    3,530.26/5,285.86 = 2,212.44/x
  3. Step 3: Cross multiply
    3,530.26x = 5,285.86 × 2,212.44
  4. Step 4: Simplify right side
    3,530.26x = 11,694,637.61
  5. Step 5: Solve for x
    x = 11,694,637.61/3,530.26
  6. Step 6: Final answer
    x = 3,312.69

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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.