Home / 1,642.87-2,464.71-1,093.69

Finding the Fourth Proportional to 1,642.87, 2,464.71 and 1,093.69

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Solution

The fourth proportional to 1,642.87, 2,464.71 and 1,093.69 is: 1,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.87 : 2,464.71 = 1,093.69 : x
  2. Step 2: Convert to fraction form
    1,642.87/2,464.71 = 1,093.69/x
  3. Step 3: Cross multiply
    1,642.87x = 2,464.71 × 1,093.69
  4. Step 4: Simplify right side
    1,642.87x = 2,695,628.68
  5. Step 5: Solve for x
    x = 2,695,628.68/1,642.87
  6. Step 6: Final answer
    x = 1,640.80

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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.