Home / 2,022.67-2,790.96-1,277.04

Finding the Fourth Proportional to 2,022.67, 2,790.96 and 1,277.04

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Solution

The fourth proportional to 2,022.67, 2,790.96 and 1,277.04 is: 1,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.67 : 2,790.96 = 1,277.04 : x
  2. Step 2: Convert to fraction form
    2,022.67/2,790.96 = 1,277.04/x
  3. Step 3: Cross multiply
    2,022.67x = 2,790.96 × 1,277.04
  4. Step 4: Simplify right side
    2,022.67x = 3,564,167.56
  5. Step 5: Solve for x
    x = 3,564,167.56/2,022.67
  6. Step 6: Final answer
    x = 1,762.11

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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.