Home / 3,260.43-4,499.39-1,768.34

Finding the Fourth Proportional to 3,260.43, 4,499.39 and 1,768.34

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Solution

The fourth proportional to 3,260.43, 4,499.39 and 1,768.34 is: 2,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.43 : 4,499.39 = 1,768.34 : x
  2. Step 2: Convert to fraction form
    3,260.43/4,499.39 = 1,768.34/x
  3. Step 3: Cross multiply
    3,260.43x = 4,499.39 × 1,768.34
  4. Step 4: Simplify right side
    3,260.43x = 7,956,451.31
  5. Step 5: Solve for x
    x = 7,956,451.31/3,260.43
  6. Step 6: Final answer
    x = 2,440.31

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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.