Home / 1,620.37-2,237.37-1,265.67

Finding the Fourth Proportional to 1,620.37, 2,237.37 and 1,265.67

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Solution

The fourth proportional to 1,620.37, 2,237.37 and 1,265.67 is: 1,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620.37 : 2,237.37 = 1,265.67 : x
  2. Step 2: Convert to fraction form
    1,620.37/2,237.37 = 1,265.67/x
  3. Step 3: Cross multiply
    1,620.37x = 2,237.37 × 1,265.67
  4. Step 4: Simplify right side
    1,620.37x = 2,831,772.09
  5. Step 5: Solve for x
    x = 2,831,772.09/1,620.37
  6. Step 6: Final answer
    x = 1,747.61

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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.