Home / 3,189.48-4,399.70-1,995.27

Finding the Fourth Proportional to 3,189.48, 4,399.70 and 1,995.27

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Solution

The fourth proportional to 3,189.48, 4,399.70 and 1,995.27 is: 2,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.48 : 4,399.70 = 1,995.27 : x
  2. Step 2: Convert to fraction form
    3,189.48/4,399.70 = 1,995.27/x
  3. Step 3: Cross multiply
    3,189.48x = 4,399.70 × 1,995.27
  4. Step 4: Simplify right side
    3,189.48x = 8,778,579.44
  5. Step 5: Solve for x
    x = 8,778,579.44/3,189.48
  6. Step 6: Final answer
    x = 2,752.35

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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.