Home / 1,551.53-2,141.67-1,027.73

Finding the Fourth Proportional to 1,551.53, 2,141.67 and 1,027.73

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Solution

The fourth proportional to 1,551.53, 2,141.67 and 1,027.73 is: 1,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.53 : 2,141.67 = 1,027.73 : x
  2. Step 2: Convert to fraction form
    1,551.53/2,141.67 = 1,027.73/x
  3. Step 3: Cross multiply
    1,551.53x = 2,141.67 × 1,027.73
  4. Step 4: Simplify right side
    1,551.53x = 2,201,045.23
  5. Step 5: Solve for x
    x = 2,201,045.23/1,551.53
  6. Step 6: Final answer
    x = 1,418.63

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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.