Home / 3,002.32-4,143.20-1,676.28

Finding the Fourth Proportional to 3,002.32, 4,143.20 and 1,676.28

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Solution

The fourth proportional to 3,002.32, 4,143.20 and 1,676.28 is: 2,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.32 : 4,143.20 = 1,676.28 : x
  2. Step 2: Convert to fraction form
    3,002.32/4,143.20 = 1,676.28/x
  3. Step 3: Cross multiply
    3,002.32x = 4,143.20 × 1,676.28
  4. Step 4: Simplify right side
    3,002.32x = 6,945,163.30
  5. Step 5: Solve for x
    x = 6,945,163.30/3,002.32
  6. Step 6: Final answer
    x = 2,313.27

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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.