Home / 2,198.38-3,033.63-1,254.22

Finding the Fourth Proportional to 2,198.38, 3,033.63 and 1,254.22

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Solution

The fourth proportional to 2,198.38, 3,033.63 and 1,254.22 is: 1,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.38 : 3,033.63 = 1,254.22 : x
  2. Step 2: Convert to fraction form
    2,198.38/3,033.63 = 1,254.22/x
  3. Step 3: Cross multiply
    2,198.38x = 3,033.63 × 1,254.22
  4. Step 4: Simplify right side
    2,198.38x = 3,804,839.42
  5. Step 5: Solve for x
    x = 3,804,839.42/2,198.38
  6. Step 6: Final answer
    x = 1,730.75

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Half scale
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Double scale
Find fourth proportional to 2,199.38, 3,035.01 and 1,255.22
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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.