Home / 1,736.13-2,604.42-640.51

Finding the Fourth Proportional to 1,736.13, 2,604.42 and 640.51

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Solution

The fourth proportional to 1,736.13, 2,604.42 and 640.51 is: 960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.13 : 2,604.42 = 640.51 : x
  2. Step 2: Convert to fraction form
    1,736.13/2,604.42 = 640.51/x
  3. Step 3: Cross multiply
    1,736.13x = 2,604.42 × 640.51
  4. Step 4: Simplify right side
    1,736.13x = 1,668,157.05
  5. Step 5: Solve for x
    x = 1,668,157.05/1,736.13
  6. Step 6: Final answer
    x = 960.85

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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.