Home / 1,371.73-2,052.70-1,005.61

Finding the Fourth Proportional to 1,371.73, 2,052.70 and 1,005.61

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Solution

The fourth proportional to 1,371.73, 2,052.70 and 1,005.61 is: 1,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.73 : 2,052.70 = 1,005.61 : x
  2. Step 2: Convert to fraction form
    1,371.73/2,052.70 = 1,005.61/x
  3. Step 3: Cross multiply
    1,371.73x = 2,052.70 × 1,005.61
  4. Step 4: Simplify right side
    1,371.73x = 2,064,215.65
  5. Step 5: Solve for x
    x = 2,064,215.65/1,371.73
  6. Step 6: Final answer
    x = 1,504.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.