Home / 2,220.35-3,044.23-2,180.88

Finding the Fourth Proportional to 2,220.35, 3,044.23 and 2,180.88

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Solution

The fourth proportional to 2,220.35, 3,044.23 and 2,180.88 is: 2,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.35 : 3,044.23 = 2,180.88 : x
  2. Step 2: Convert to fraction form
    2,220.35/3,044.23 = 2,180.88/x
  3. Step 3: Cross multiply
    2,220.35x = 3,044.23 × 2,180.88
  4. Step 4: Simplify right side
    2,220.35x = 6,639,094.87
  5. Step 5: Solve for x
    x = 6,639,094.87/2,220.35
  6. Step 6: Final answer
    x = 2,990.12

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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.