Home / 2,098.09-3,143.48-1,122.44

Finding the Fourth Proportional to 2,098.09, 3,143.48 and 1,122.44

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Solution

The fourth proportional to 2,098.09, 3,143.48 and 1,122.44 is: 1,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.09 : 3,143.48 = 1,122.44 : x
  2. Step 2: Convert to fraction form
    2,098.09/3,143.48 = 1,122.44/x
  3. Step 3: Cross multiply
    2,098.09x = 3,143.48 × 1,122.44
  4. Step 4: Simplify right side
    2,098.09x = 3,528,367.69
  5. Step 5: Solve for x
    x = 3,528,367.69/2,098.09
  6. Step 6: Final answer
    x = 1,681.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.