Home / 1,508.54-2,081.82-845.36

Finding the Fourth Proportional to 1,508.54, 2,081.82 and 845.36

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Solution

The fourth proportional to 1,508.54, 2,081.82 and 845.36 is: 1,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.54 : 2,081.82 = 845.36 : x
  2. Step 2: Convert to fraction form
    1,508.54/2,081.82 = 845.36/x
  3. Step 3: Cross multiply
    1,508.54x = 2,081.82 × 845.36
  4. Step 4: Simplify right side
    1,508.54x = 1,759,887.36
  5. Step 5: Solve for x
    x = 1,759,887.36/1,508.54
  6. Step 6: Final answer
    x = 1,166.62

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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.