Home / 2,183.49-3,012.35-1,298.97

Finding the Fourth Proportional to 2,183.49, 3,012.35 and 1,298.97

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Solution

The fourth proportional to 2,183.49, 3,012.35 and 1,298.97 is: 1,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.49 : 3,012.35 = 1,298.97 : x
  2. Step 2: Convert to fraction form
    2,183.49/3,012.35 = 1,298.97/x
  3. Step 3: Cross multiply
    2,183.49x = 3,012.35 × 1,298.97
  4. Step 4: Simplify right side
    2,183.49x = 3,912,945.78
  5. Step 5: Solve for x
    x = 3,912,945.78/2,183.49
  6. Step 6: Final answer
    x = 1,792.06

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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.