Home / 3,002.86-4,143.92-1,676.69

Finding the Fourth Proportional to 3,002.86, 4,143.92 and 1,676.69

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Solution

The fourth proportional to 3,002.86, 4,143.92 and 1,676.69 is: 2,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.86 : 4,143.92 = 1,676.69 : x
  2. Step 2: Convert to fraction form
    3,002.86/4,143.92 = 1,676.69/x
  3. Step 3: Cross multiply
    3,002.86x = 4,143.92 × 1,676.69
  4. Step 4: Simplify right side
    3,002.86x = 6,948,069.22
  5. Step 5: Solve for x
    x = 6,948,069.22/3,002.86
  6. Step 6: Final answer
    x = 2,313.82

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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.