Home / 3,387.85-5,076.74-2,001.49

Finding the Fourth Proportional to 3,387.85, 5,076.74 and 2,001.49

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Solution

The fourth proportional to 3,387.85, 5,076.74 and 2,001.49 is: 2,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.85 : 5,076.74 = 2,001.49 : x
  2. Step 2: Convert to fraction form
    3,387.85/5,076.74 = 2,001.49/x
  3. Step 3: Cross multiply
    3,387.85x = 5,076.74 × 2,001.49
  4. Step 4: Simplify right side
    3,387.85x = 10,161,034.34
  5. Step 5: Solve for x
    x = 10,161,034.34/3,387.85
  6. Step 6: Final answer
    x = 2,999.26

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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.