Home / 2,083.30-2,874.60-1,297.06

Finding the Fourth Proportional to 2,083.30, 2,874.60 and 1,297.06

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Solution

The fourth proportional to 2,083.30, 2,874.60 and 1,297.06 is: 1,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.30 : 2,874.60 = 1,297.06 : x
  2. Step 2: Convert to fraction form
    2,083.30/2,874.60 = 1,297.06/x
  3. Step 3: Cross multiply
    2,083.30x = 2,874.60 × 1,297.06
  4. Step 4: Simplify right side
    2,083.30x = 3,728,528.68
  5. Step 5: Solve for x
    x = 3,728,528.68/2,083.30
  6. Step 6: Final answer
    x = 1,789.72

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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.