Home / 3,161.47-4,735.86-1,575.41

Finding the Fourth Proportional to 3,161.47, 4,735.86 and 1,575.41

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Solution

The fourth proportional to 3,161.47, 4,735.86 and 1,575.41 is: 2,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.47 : 4,735.86 = 1,575.41 : x
  2. Step 2: Convert to fraction form
    3,161.47/4,735.86 = 1,575.41/x
  3. Step 3: Cross multiply
    3,161.47x = 4,735.86 × 1,575.41
  4. Step 4: Simplify right side
    3,161.47x = 7,460,913.33
  5. Step 5: Solve for x
    x = 7,460,913.33/3,161.47
  6. Step 6: Final answer
    x = 2,359.95

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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.