Home / 2,132.73-3,198.29-1,036.40

Finding the Fourth Proportional to 2,132.73, 3,198.29 and 1,036.40

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Solution

The fourth proportional to 2,132.73, 3,198.29 and 1,036.40 is: 1,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.73 : 3,198.29 = 1,036.40 : x
  2. Step 2: Convert to fraction form
    2,132.73/3,198.29 = 1,036.40/x
  3. Step 3: Cross multiply
    2,132.73x = 3,198.29 × 1,036.40
  4. Step 4: Simplify right side
    2,132.73x = 3,314,686.58
  5. Step 5: Solve for x
    x = 3,314,686.58/2,132.73
  6. Step 6: Final answer
    x = 1,554.20

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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.