Home / 3,290.36-4,932.72-1,534.43

Finding the Fourth Proportional to 3,290.36, 4,932.72 and 1,534.43

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Solution

The fourth proportional to 3,290.36, 4,932.72 and 1,534.43 is: 2,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.36 : 4,932.72 = 1,534.43 : x
  2. Step 2: Convert to fraction form
    3,290.36/4,932.72 = 1,534.43/x
  3. Step 3: Cross multiply
    3,290.36x = 4,932.72 × 1,534.43
  4. Step 4: Simplify right side
    3,290.36x = 7,568,913.55
  5. Step 5: Solve for x
    x = 7,568,913.55/3,290.36
  6. Step 6: Final answer
    x = 2,300.33

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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.