Home / 2,993.56-4,131.60-1,814.80

Finding the Fourth Proportional to 2,993.56, 4,131.60 and 1,814.80

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Solution

The fourth proportional to 2,993.56, 4,131.60 and 1,814.80 is: 2,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.56 : 4,131.60 = 1,814.80 : x
  2. Step 2: Convert to fraction form
    2,993.56/4,131.60 = 1,814.80/x
  3. Step 3: Cross multiply
    2,993.56x = 4,131.60 × 1,814.80
  4. Step 4: Simplify right side
    2,993.56x = 7,498,027.68
  5. Step 5: Solve for x
    x = 7,498,027.68/2,993.56
  6. Step 6: Final answer
    x = 2,504.72

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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.