Home / 3,150.45-4,721.76-1,504.80

Finding the Fourth Proportional to 3,150.45, 4,721.76 and 1,504.80

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Solution

The fourth proportional to 3,150.45, 4,721.76 and 1,504.80 is: 2,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.45 : 4,721.76 = 1,504.80 : x
  2. Step 2: Convert to fraction form
    3,150.45/4,721.76 = 1,504.80/x
  3. Step 3: Cross multiply
    3,150.45x = 4,721.76 × 1,504.80
  4. Step 4: Simplify right side
    3,150.45x = 7,105,304.45
  5. Step 5: Solve for x
    x = 7,105,304.45/3,150.45
  6. Step 6: Final answer
    x = 2,255.33

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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.