Home / 1,768.77-2,645.85-1,608.39

Finding the Fourth Proportional to 1,768.77, 2,645.85 and 1,608.39

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Solution

The fourth proportional to 1,768.77, 2,645.85 and 1,608.39 is: 2,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.77 : 2,645.85 = 1,608.39 : x
  2. Step 2: Convert to fraction form
    1,768.77/2,645.85 = 1,608.39/x
  3. Step 3: Cross multiply
    1,768.77x = 2,645.85 × 1,608.39
  4. Step 4: Simplify right side
    1,768.77x = 4,255,558.68
  5. Step 5: Solve for x
    x = 4,255,558.68/1,768.77
  6. Step 6: Final answer
    x = 2,405.94

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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.