Home / 2,149.24-3,206.07-2,121.08

Finding the Fourth Proportional to 2,149.24, 3,206.07 and 2,121.08

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Solution

The fourth proportional to 2,149.24, 3,206.07 and 2,121.08 is: 3,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.24 : 3,206.07 = 2,121.08 : x
  2. Step 2: Convert to fraction form
    2,149.24/3,206.07 = 2,121.08/x
  3. Step 3: Cross multiply
    2,149.24x = 3,206.07 × 2,121.08
  4. Step 4: Simplify right side
    2,149.24x = 6,800,330.96
  5. Step 5: Solve for x
    x = 6,800,330.96/2,149.24
  6. Step 6: Final answer
    x = 3,164.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.