Home / 3,851.44-5,777.13-2,001.60

Finding the Fourth Proportional to 3,851.44, 5,777.13 and 2,001.60

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Solution

The fourth proportional to 3,851.44, 5,777.13 and 2,001.60 is: 3,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.44 : 5,777.13 = 2,001.60 : x
  2. Step 2: Convert to fraction form
    3,851.44/5,777.13 = 2,001.60/x
  3. Step 3: Cross multiply
    3,851.44x = 5,777.13 × 2,001.60
  4. Step 4: Simplify right side
    3,851.44x = 11,563,503.41
  5. Step 5: Solve for x
    x = 11,563,503.41/3,851.44
  6. Step 6: Final answer
    x = 3,002.38

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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.