Home / 2,988.66-4,121.02-2,044.60

Finding the Fourth Proportional to 2,988.66, 4,121.02 and 2,044.60

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Solution

The fourth proportional to 2,988.66, 4,121.02 and 2,044.60 is: 2,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.66 : 4,121.02 = 2,044.60 : x
  2. Step 2: Convert to fraction form
    2,988.66/4,121.02 = 2,044.60/x
  3. Step 3: Cross multiply
    2,988.66x = 4,121.02 × 2,044.60
  4. Step 4: Simplify right side
    2,988.66x = 8,425,837.49
  5. Step 5: Solve for x
    x = 8,425,837.49/2,988.66
  6. Step 6: Final answer
    x = 2,819.27

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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.