Home / 2,022.96-2,790.70-1,433.80

Finding the Fourth Proportional to 2,022.96, 2,790.70 and 1,433.80

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Solution

The fourth proportional to 2,022.96, 2,790.70 and 1,433.80 is: 1,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.96 : 2,790.70 = 1,433.80 : x
  2. Step 2: Convert to fraction form
    2,022.96/2,790.70 = 1,433.80/x
  3. Step 3: Cross multiply
    2,022.96x = 2,790.70 × 1,433.80
  4. Step 4: Simplify right side
    2,022.96x = 4,001,305.66
  5. Step 5: Solve for x
    x = 4,001,305.66/2,022.96
  6. Step 6: Final answer
    x = 1,977.95

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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.