Home / 3,003.20-4,144.72-1,676.80

Finding the Fourth Proportional to 3,003.20, 4,144.72 and 1,676.80

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Solution

The fourth proportional to 3,003.20, 4,144.72 and 1,676.80 is: 2,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.20 : 4,144.72 = 1,676.80 : x
  2. Step 2: Convert to fraction form
    3,003.20/4,144.72 = 1,676.80/x
  3. Step 3: Cross multiply
    3,003.20x = 4,144.72 × 1,676.80
  4. Step 4: Simplify right side
    3,003.20x = 6,949,866.50
  5. Step 5: Solve for x
    x = 6,949,866.50/3,003.20
  6. Step 6: Final answer
    x = 2,314.15

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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.