Home / 3,020.09-4,525.11-2,138.23

Finding the Fourth Proportional to 3,020.09, 4,525.11 and 2,138.23

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Solution

The fourth proportional to 3,020.09, 4,525.11 and 2,138.23 is: 3,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.09 : 4,525.11 = 2,138.23 : x
  2. Step 2: Convert to fraction form
    3,020.09/4,525.11 = 2,138.23/x
  3. Step 3: Cross multiply
    3,020.09x = 4,525.11 × 2,138.23
  4. Step 4: Simplify right side
    3,020.09x = 9,675,714.64
  5. Step 5: Solve for x
    x = 9,675,714.64/3,020.09
  6. Step 6: Final answer
    x = 3,203.79

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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.