Home / 1,922.81-2,879.58-1,098.59

Finding the Fourth Proportional to 1,922.81, 2,879.58 and 1,098.59

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Solution

The fourth proportional to 1,922.81, 2,879.58 and 1,098.59 is: 1,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.81 : 2,879.58 = 1,098.59 : x
  2. Step 2: Convert to fraction form
    1,922.81/2,879.58 = 1,098.59/x
  3. Step 3: Cross multiply
    1,922.81x = 2,879.58 × 1,098.59
  4. Step 4: Simplify right side
    1,922.81x = 3,163,467.51
  5. Step 5: Solve for x
    x = 3,163,467.51/1,922.81
  6. Step 6: Final answer
    x = 1,645.24

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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.