Home / 2,883.56-3,974.74-2,183.72

Finding the Fourth Proportional to 2,883.56, 3,974.74 and 2,183.72

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Solution

The fourth proportional to 2,883.56, 3,974.74 and 2,183.72 is: 3,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.56 : 3,974.74 = 2,183.72 : x
  2. Step 2: Convert to fraction form
    2,883.56/3,974.74 = 2,183.72/x
  3. Step 3: Cross multiply
    2,883.56x = 3,974.74 × 2,183.72
  4. Step 4: Simplify right side
    2,883.56x = 8,679,719.23
  5. Step 5: Solve for x
    x = 8,679,719.23/2,883.56
  6. Step 6: Final answer
    x = 3,010.07

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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.