Home / 1,883.10-2,822.37-1,661.67

Finding the Fourth Proportional to 1,883.10, 2,822.37 and 1,661.67

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Solution

The fourth proportional to 1,883.10, 2,822.37 and 1,661.67 is: 2,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.10 : 2,822.37 = 1,661.67 : x
  2. Step 2: Convert to fraction form
    1,883.10/2,822.37 = 1,661.67/x
  3. Step 3: Cross multiply
    1,883.10x = 2,822.37 × 1,661.67
  4. Step 4: Simplify right side
    1,883.10x = 4,689,847.56
  5. Step 5: Solve for x
    x = 4,689,847.56/1,883.10
  6. Step 6: Final answer
    x = 2,490.49

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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.