Home / 1,631.00-2,251.73-1,257.26

Finding the Fourth Proportional to 1,631.00, 2,251.73 and 1,257.26

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Solution

The fourth proportional to 1,631.00, 2,251.73 and 1,257.26 is: 1,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.00 : 2,251.73 = 1,257.26 : x
  2. Step 2: Convert to fraction form
    1,631.00/2,251.73 = 1,257.26/x
  3. Step 3: Cross multiply
    1,631.00x = 2,251.73 × 1,257.26
  4. Step 4: Simplify right side
    1,631.00x = 2,831,001.94
  5. Step 5: Solve for x
    x = 2,831,001.94/1,631.00
  6. Step 6: Final answer
    x = 1,735.74

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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.