Home / 1,927.73-2,660.31-1,141.79

Finding the Fourth Proportional to 1,927.73, 2,660.31 and 1,141.79

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Solution

The fourth proportional to 1,927.73, 2,660.31 and 1,141.79 is: 1,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.73 : 2,660.31 = 1,141.79 : x
  2. Step 2: Convert to fraction form
    1,927.73/2,660.31 = 1,141.79/x
  3. Step 3: Cross multiply
    1,927.73x = 2,660.31 × 1,141.79
  4. Step 4: Simplify right side
    1,927.73x = 3,037,515.35
  5. Step 5: Solve for x
    x = 3,037,515.35/1,927.73
  6. Step 6: Final answer
    x = 1,575.70

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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.