Home / 1,736.36-2,604.65-640.35

Finding the Fourth Proportional to 1,736.36, 2,604.65 and 640.35

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Solution

The fourth proportional to 1,736.36, 2,604.65 and 640.35 is: 960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.36 : 2,604.65 = 640.35 : x
  2. Step 2: Convert to fraction form
    1,736.36/2,604.65 = 640.35/x
  3. Step 3: Cross multiply
    1,736.36x = 2,604.65 × 640.35
  4. Step 4: Simplify right side
    1,736.36x = 1,667,884.43
  5. Step 5: Solve for x
    x = 1,667,884.43/1,736.36
  6. Step 6: Final answer
    x = 960.57

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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.