Home / 3,221.20-4,411.94-3,032.03

Finding the Fourth Proportional to 3,221.20, 4,411.94 and 3,032.03

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Solution

The fourth proportional to 3,221.20, 4,411.94 and 3,032.03 is: 4,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.20 : 4,411.94 = 3,032.03 : x
  2. Step 2: Convert to fraction form
    3,221.20/4,411.94 = 3,032.03/x
  3. Step 3: Cross multiply
    3,221.20x = 4,411.94 × 3,032.03
  4. Step 4: Simplify right side
    3,221.20x = 13,377,130.31
  5. Step 5: Solve for x
    x = 13,377,130.31/3,221.20
  6. Step 6: Final answer
    x = 4,152.84

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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.