Home / 3,320.80-4,585.26-2,203.30

Finding the Fourth Proportional to 3,320.80, 4,585.26 and 2,203.30

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Solution

The fourth proportional to 3,320.80, 4,585.26 and 2,203.30 is: 3,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.80 : 4,585.26 = 2,203.30 : x
  2. Step 2: Convert to fraction form
    3,320.80/4,585.26 = 2,203.30/x
  3. Step 3: Cross multiply
    3,320.80x = 4,585.26 × 2,203.30
  4. Step 4: Simplify right side
    3,320.80x = 10,102,704.96
  5. Step 5: Solve for x
    x = 10,102,704.96/3,320.80
  6. Step 6: Final answer
    x = 3,042.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.