Home / 2,198.61-3,032.53-2,126.29

Finding the Fourth Proportional to 2,198.61, 3,032.53 and 2,126.29

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Solution

The fourth proportional to 2,198.61, 3,032.53 and 2,126.29 is: 2,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.61 : 3,032.53 = 2,126.29 : x
  2. Step 2: Convert to fraction form
    2,198.61/3,032.53 = 2,126.29/x
  3. Step 3: Cross multiply
    2,198.61x = 3,032.53 × 2,126.29
  4. Step 4: Simplify right side
    2,198.61x = 6,448,038.21
  5. Step 5: Solve for x
    x = 6,448,038.21/2,198.61
  6. Step 6: Final answer
    x = 2,932.78

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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.