Home / 1,857.25-2,562.97-1,111.38

Finding the Fourth Proportional to 1,857.25, 2,562.97 and 1,111.38

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Solution

The fourth proportional to 1,857.25, 2,562.97 and 1,111.38 is: 1,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.25 : 2,562.97 = 1,111.38 : x
  2. Step 2: Convert to fraction form
    1,857.25/2,562.97 = 1,111.38/x
  3. Step 3: Cross multiply
    1,857.25x = 2,562.97 × 1,111.38
  4. Step 4: Simplify right side
    1,857.25x = 2,848,433.60
  5. Step 5: Solve for x
    x = 2,848,433.60/1,857.25
  6. Step 6: Final answer
    x = 1,533.68

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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.