Home / 1,810.64-2,497.82-1,181.18

Finding the Fourth Proportional to 1,810.64, 2,497.82 and 1,181.18

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Solution

The fourth proportional to 1,810.64, 2,497.82 and 1,181.18 is: 1,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.64 : 2,497.82 = 1,181.18 : x
  2. Step 2: Convert to fraction form
    1,810.64/2,497.82 = 1,181.18/x
  3. Step 3: Cross multiply
    1,810.64x = 2,497.82 × 1,181.18
  4. Step 4: Simplify right side
    1,810.64x = 2,950,375.03
  5. Step 5: Solve for x
    x = 2,950,375.03/1,810.64
  6. Step 6: Final answer
    x = 1,629.47

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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.