Home / 2,021.61-3,032.85-1,198.92

Finding the Fourth Proportional to 2,021.61, 3,032.85 and 1,198.92

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Solution

The fourth proportional to 2,021.61, 3,032.85 and 1,198.92 is: 1,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.61 : 3,032.85 = 1,198.92 : x
  2. Step 2: Convert to fraction form
    2,021.61/3,032.85 = 1,198.92/x
  3. Step 3: Cross multiply
    2,021.61x = 3,032.85 × 1,198.92
  4. Step 4: Simplify right side
    2,021.61x = 3,636,144.52
  5. Step 5: Solve for x
    x = 3,636,144.52/2,021.61
  6. Step 6: Final answer
    x = 1,798.64

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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.