Home / 2,022.06-2,790.40-1,182.90

Finding the Fourth Proportional to 2,022.06, 2,790.40 and 1,182.90

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Solution

The fourth proportional to 2,022.06, 2,790.40 and 1,182.90 is: 1,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.06 : 2,790.40 = 1,182.90 : x
  2. Step 2: Convert to fraction form
    2,022.06/2,790.40 = 1,182.90/x
  3. Step 3: Cross multiply
    2,022.06x = 2,790.40 × 1,182.90
  4. Step 4: Simplify right side
    2,022.06x = 3,300,764.16
  5. Step 5: Solve for x
    x = 3,300,764.16/2,022.06
  6. Step 6: Final answer
    x = 1,632.38

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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.