Home / 3,174.48-4,382.37-1,996.74

Finding the Fourth Proportional to 3,174.48, 4,382.37 and 1,996.74

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Solution

The fourth proportional to 3,174.48, 4,382.37 and 1,996.74 is: 2,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.48 : 4,382.37 = 1,996.74 : x
  2. Step 2: Convert to fraction form
    3,174.48/4,382.37 = 1,996.74/x
  3. Step 3: Cross multiply
    3,174.48x = 4,382.37 × 1,996.74
  4. Step 4: Simplify right side
    3,174.48x = 8,750,453.47
  5. Step 5: Solve for x
    x = 8,750,453.47/3,174.48
  6. Step 6: Final answer
    x = 2,756.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.