Home / 2,257.56-3,115.73-1,263.22

Finding the Fourth Proportional to 2,257.56, 3,115.73 and 1,263.22

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Solution

The fourth proportional to 2,257.56, 3,115.73 and 1,263.22 is: 1,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.56 : 3,115.73 = 1,263.22 : x
  2. Step 2: Convert to fraction form
    2,257.56/3,115.73 = 1,263.22/x
  3. Step 3: Cross multiply
    2,257.56x = 3,115.73 × 1,263.22
  4. Step 4: Simplify right side
    2,257.56x = 3,935,852.45
  5. Step 5: Solve for x
    x = 3,935,852.45/2,257.56
  6. Step 6: Final answer
    x = 1,743.41

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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.