Home / 3,220.44-4,410.81-3,031.26

Finding the Fourth Proportional to 3,220.44, 4,410.81 and 3,031.26

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Solution

The fourth proportional to 3,220.44, 4,410.81 and 3,031.26 is: 4,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.44 : 4,410.81 = 3,031.26 : x
  2. Step 2: Convert to fraction form
    3,220.44/4,410.81 = 3,031.26/x
  3. Step 3: Cross multiply
    3,220.44x = 4,410.81 × 3,031.26
  4. Step 4: Simplify right side
    3,220.44x = 13,370,311.92
  5. Step 5: Solve for x
    x = 13,370,311.92/3,220.44
  6. Step 6: Final answer
    x = 4,151.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.