Home / 3,188.46-4,778.76-2,313.99

Finding the Fourth Proportional to 3,188.46, 4,778.76 and 2,313.99

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Solution

The fourth proportional to 3,188.46, 4,778.76 and 2,313.99 is: 3,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.46 : 4,778.76 = 2,313.99 : x
  2. Step 2: Convert to fraction form
    3,188.46/4,778.76 = 2,313.99/x
  3. Step 3: Cross multiply
    3,188.46x = 4,778.76 × 2,313.99
  4. Step 4: Simplify right side
    3,188.46x = 11,058,002.85
  5. Step 5: Solve for x
    x = 11,058,002.85/3,188.46
  6. Step 6: Final answer
    x = 3,468.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.