Home / 1,676.23-2,311.58-1,003.92

Finding the Fourth Proportional to 1,676.23, 2,311.58 and 1,003.92

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Solution

The fourth proportional to 1,676.23, 2,311.58 and 1,003.92 is: 1,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.23 : 2,311.58 = 1,003.92 : x
  2. Step 2: Convert to fraction form
    1,676.23/2,311.58 = 1,003.92/x
  3. Step 3: Cross multiply
    1,676.23x = 2,311.58 × 1,003.92
  4. Step 4: Simplify right side
    1,676.23x = 2,320,635.23
  5. Step 5: Solve for x
    x = 2,320,635.23/1,676.23
  6. Step 6: Final answer
    x = 1,384.44

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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.