Home / 3,003.21-4,143.96-1,676.70

Finding the Fourth Proportional to 3,003.21, 4,143.96 and 1,676.70

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Solution

The fourth proportional to 3,003.21, 4,143.96 and 1,676.70 is: 2,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.21 : 4,143.96 = 1,676.70 : x
  2. Step 2: Convert to fraction form
    3,003.21/4,143.96 = 1,676.70/x
  3. Step 3: Cross multiply
    3,003.21x = 4,143.96 × 1,676.70
  4. Step 4: Simplify right side
    3,003.21x = 6,948,177.73
  5. Step 5: Solve for x
    x = 6,948,177.73/3,003.21
  6. Step 6: Final answer
    x = 2,313.58

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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.