Home / 1,731.37-2,596.57-481.68

Finding the Fourth Proportional to 1,731.37, 2,596.57 and 481.68

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Solution

The fourth proportional to 1,731.37, 2,596.57 and 481.68 is: 722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.37 : 2,596.57 = 481.68 : x
  2. Step 2: Convert to fraction form
    1,731.37/2,596.57 = 481.68/x
  3. Step 3: Cross multiply
    1,731.37x = 2,596.57 × 481.68
  4. Step 4: Simplify right side
    1,731.37x = 1,250,715.84
  5. Step 5: Solve for x
    x = 1,250,715.84/1,731.37
  6. Step 6: Final answer
    x = 722.39

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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.