Home / 1,635.75-2,263.25-1,426.37

Finding the Fourth Proportional to 1,635.75, 2,263.25 and 1,426.37

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Solution

The fourth proportional to 1,635.75, 2,263.25 and 1,426.37 is: 1,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.75 : 2,263.25 = 1,426.37 : x
  2. Step 2: Convert to fraction form
    1,635.75/2,263.25 = 1,426.37/x
  3. Step 3: Cross multiply
    1,635.75x = 2,263.25 × 1,426.37
  4. Step 4: Simplify right side
    1,635.75x = 3,228,224.15
  5. Step 5: Solve for x
    x = 3,228,224.15/1,635.75
  6. Step 6: Final answer
    x = 1,973.54

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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.