Home / 1,620.54-2,232.63-1,270.62

Finding the Fourth Proportional to 1,620.54, 2,232.63 and 1,270.62

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Solution

The fourth proportional to 1,620.54, 2,232.63 and 1,270.62 is: 1,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620.54 : 2,232.63 = 1,270.62 : x
  2. Step 2: Convert to fraction form
    1,620.54/2,232.63 = 1,270.62/x
  3. Step 3: Cross multiply
    1,620.54x = 2,232.63 × 1,270.62
  4. Step 4: Simplify right side
    1,620.54x = 2,836,824.33
  5. Step 5: Solve for x
    x = 2,836,824.33/1,620.54
  6. Step 6: Final answer
    x = 1,750.54

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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.