Home / 3,227.79-4,840.80-1,147.53

Finding the Fourth Proportional to 3,227.79, 4,840.80 and 1,147.53

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Solution

The fourth proportional to 3,227.79, 4,840.80 and 1,147.53 is: 1,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.79 : 4,840.80 = 1,147.53 : x
  2. Step 2: Convert to fraction form
    3,227.79/4,840.80 = 1,147.53/x
  3. Step 3: Cross multiply
    3,227.79x = 4,840.80 × 1,147.53
  4. Step 4: Simplify right side
    3,227.79x = 5,554,963.22
  5. Step 5: Solve for x
    x = 5,554,963.22/3,227.79
  6. Step 6: Final answer
    x = 1,720.98

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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.