Home / 3,148.76-4,720.26-1,199.48

Finding the Fourth Proportional to 3,148.76, 4,720.26 and 1,199.48

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Solution

The fourth proportional to 3,148.76, 4,720.26 and 1,199.48 is: 1,798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.76 : 4,720.26 = 1,199.48 : x
  2. Step 2: Convert to fraction form
    3,148.76/4,720.26 = 1,199.48/x
  3. Step 3: Cross multiply
    3,148.76x = 4,720.26 × 1,199.48
  4. Step 4: Simplify right side
    3,148.76x = 5,661,857.46
  5. Step 5: Solve for x
    x = 5,661,857.46/3,148.76
  6. Step 6: Final answer
    x = 1,798.12

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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.