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Finding the Fourth Proportional to 1,866.67, 2,575.94 and 1,027.37

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Solution

The fourth proportional to 1,866.67, 2,575.94 and 1,027.37 is: 1,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.67 : 2,575.94 = 1,027.37 : x
  2. Step 2: Convert to fraction form
    1,866.67/2,575.94 = 1,027.37/x
  3. Step 3: Cross multiply
    1,866.67x = 2,575.94 × 1,027.37
  4. Step 4: Simplify right side
    1,866.67x = 2,646,442.83
  5. Step 5: Solve for x
    x = 2,646,442.83/1,866.67
  6. Step 6: Final answer
    x = 1,417.73

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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.