Home / 1,845.39-2,768.58-1,641.54

Finding the Fourth Proportional to 1,845.39, 2,768.58 and 1,641.54

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Solution

The fourth proportional to 1,845.39, 2,768.58 and 1,641.54 is: 2,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.39 : 2,768.58 = 1,641.54 : x
  2. Step 2: Convert to fraction form
    1,845.39/2,768.58 = 1,641.54/x
  3. Step 3: Cross multiply
    1,845.39x = 2,768.58 × 1,641.54
  4. Step 4: Simplify right side
    1,845.39x = 4,544,734.81
  5. Step 5: Solve for x
    x = 4,544,734.81/1,845.39
  6. Step 6: Final answer
    x = 2,462.75

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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.