Home / 1,804.26-2,490.66-1,214.58

Finding the Fourth Proportional to 1,804.26, 2,490.66 and 1,214.58

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Solution

The fourth proportional to 1,804.26, 2,490.66 and 1,214.58 is: 1,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.26 : 2,490.66 = 1,214.58 : x
  2. Step 2: Convert to fraction form
    1,804.26/2,490.66 = 1,214.58/x
  3. Step 3: Cross multiply
    1,804.26x = 2,490.66 × 1,214.58
  4. Step 4: Simplify right side
    1,804.26x = 3,025,105.82
  5. Step 5: Solve for x
    x = 3,025,105.82/1,804.26
  6. Step 6: Final answer
    x = 1,676.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.