Home / 2,022.10-2,790.62-1,137.96

Finding the Fourth Proportional to 2,022.10, 2,790.62 and 1,137.96

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Solution

The fourth proportional to 2,022.10, 2,790.62 and 1,137.96 is: 1,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.10 : 2,790.62 = 1,137.96 : x
  2. Step 2: Convert to fraction form
    2,022.10/2,790.62 = 1,137.96/x
  3. Step 3: Cross multiply
    2,022.10x = 2,790.62 × 1,137.96
  4. Step 4: Simplify right side
    2,022.10x = 3,175,613.94
  5. Step 5: Solve for x
    x = 3,175,613.94/2,022.10
  6. Step 6: Final answer
    x = 1,570.45

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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.