Home / 2,198.20-3,033.59-1,254.13

Finding the Fourth Proportional to 2,198.20, 3,033.59 and 1,254.13

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Solution

The fourth proportional to 2,198.20, 3,033.59 and 1,254.13 is: 1,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.20 : 3,033.59 = 1,254.13 : x
  2. Step 2: Convert to fraction form
    2,198.20/3,033.59 = 1,254.13/x
  3. Step 3: Cross multiply
    2,198.20x = 3,033.59 × 1,254.13
  4. Step 4: Simplify right side
    2,198.20x = 3,804,516.23
  5. Step 5: Solve for x
    x = 3,804,516.23/2,198.20
  6. Step 6: Final answer
    x = 1,730.74

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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.