Home / 2,022.19-2,790.92-1,897.11

Finding the Fourth Proportional to 2,022.19, 2,790.92 and 1,897.11

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Solution

The fourth proportional to 2,022.19, 2,790.92 and 1,897.11 is: 2,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.19 : 2,790.92 = 1,897.11 : x
  2. Step 2: Convert to fraction form
    2,022.19/2,790.92 = 1,897.11/x
  3. Step 3: Cross multiply
    2,022.19x = 2,790.92 × 1,897.11
  4. Step 4: Simplify right side
    2,022.19x = 5,294,682.24
  5. Step 5: Solve for x
    x = 5,294,682.24/2,022.19
  6. Step 6: Final answer
    x = 2,618.29

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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.