Home / 3,147.69-4,721.61-1,504.41

Finding the Fourth Proportional to 3,147.69, 4,721.61 and 1,504.41

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Solution

The fourth proportional to 3,147.69, 4,721.61 and 1,504.41 is: 2,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.69 : 4,721.61 = 1,504.41 : x
  2. Step 2: Convert to fraction form
    3,147.69/4,721.61 = 1,504.41/x
  3. Step 3: Cross multiply
    3,147.69x = 4,721.61 × 1,504.41
  4. Step 4: Simplify right side
    3,147.69x = 7,103,237.30
  5. Step 5: Solve for x
    x = 7,103,237.30/3,147.69
  6. Step 6: Final answer
    x = 2,256.65

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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.