Home / 3,233.80-4,851.60-1,287.37

Finding the Fourth Proportional to 3,233.80, 4,851.60 and 1,287.37

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Solution

The fourth proportional to 3,233.80, 4,851.60 and 1,287.37 is: 1,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.80 : 4,851.60 = 1,287.37 : x
  2. Step 2: Convert to fraction form
    3,233.80/4,851.60 = 1,287.37/x
  3. Step 3: Cross multiply
    3,233.80x = 4,851.60 × 1,287.37
  4. Step 4: Simplify right side
    3,233.80x = 6,245,804.29
  5. Step 5: Solve for x
    x = 6,245,804.29/3,233.80
  6. Step 6: Final answer
    x = 1,931.41

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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.