Home / 3,180.02-4,771.67-2,261.48

Finding the Fourth Proportional to 3,180.02, 4,771.67 and 2,261.48

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Solution

The fourth proportional to 3,180.02, 4,771.67 and 2,261.48 is: 3,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.02 : 4,771.67 = 2,261.48 : x
  2. Step 2: Convert to fraction form
    3,180.02/4,771.67 = 2,261.48/x
  3. Step 3: Cross multiply
    3,180.02x = 4,771.67 × 2,261.48
  4. Step 4: Simplify right side
    3,180.02x = 10,791,001.11
  5. Step 5: Solve for x
    x = 10,791,001.11/3,180.02
  6. Step 6: Final answer
    x = 3,393.38

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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.