Home / 2,199.06-3,050.24-2,120.26

Finding the Fourth Proportional to 2,199.06, 3,050.24 and 2,120.26

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Solution

The fourth proportional to 2,199.06, 3,050.24 and 2,120.26 is: 2,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.06 : 3,050.24 = 2,120.26 : x
  2. Step 2: Convert to fraction form
    2,199.06/3,050.24 = 2,120.26/x
  3. Step 3: Cross multiply
    2,199.06x = 3,050.24 × 2,120.26
  4. Step 4: Simplify right side
    2,199.06x = 6,467,301.86
  5. Step 5: Solve for x
    x = 6,467,301.86/2,199.06
  6. Step 6: Final answer
    x = 2,940.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.