Home / 3,260.85-4,499.86-1,768.72

Finding the Fourth Proportional to 3,260.85, 4,499.86 and 1,768.72

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Solution

The fourth proportional to 3,260.85, 4,499.86 and 1,768.72 is: 2,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.85 : 4,499.86 = 1,768.72 : x
  2. Step 2: Convert to fraction form
    3,260.85/4,499.86 = 1,768.72/x
  3. Step 3: Cross multiply
    3,260.85x = 4,499.86 × 1,768.72
  4. Step 4: Simplify right side
    3,260.85x = 7,958,991.92
  5. Step 5: Solve for x
    x = 7,958,991.92/3,260.85
  6. Step 6: Final answer
    x = 2,440.77

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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.