Home / 2,098.68-3,150.44-1,126.68

Finding the Fourth Proportional to 2,098.68, 3,150.44 and 1,126.68

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Solution

The fourth proportional to 2,098.68, 3,150.44 and 1,126.68 is: 1,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.68 : 3,150.44 = 1,126.68 : x
  2. Step 2: Convert to fraction form
    2,098.68/3,150.44 = 1,126.68/x
  3. Step 3: Cross multiply
    2,098.68x = 3,150.44 × 1,126.68
  4. Step 4: Simplify right side
    2,098.68x = 3,549,537.74
  5. Step 5: Solve for x
    x = 3,549,537.74/2,098.68
  6. Step 6: Final answer
    x = 1,691.32

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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.