Home / 2,012.02-3,022.64-1,190.86

Finding the Fourth Proportional to 2,012.02, 3,022.64 and 1,190.86

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Solution

The fourth proportional to 2,012.02, 3,022.64 and 1,190.86 is: 1,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.02 : 3,022.64 = 1,190.86 : x
  2. Step 2: Convert to fraction form
    2,012.02/3,022.64 = 1,190.86/x
  3. Step 3: Cross multiply
    2,012.02x = 3,022.64 × 1,190.86
  4. Step 4: Simplify right side
    2,012.02x = 3,599,541.07
  5. Step 5: Solve for x
    x = 3,599,541.07/2,012.02
  6. Step 6: Final answer
    x = 1,789.02

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1.5x scale

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.