Home / 1,930.36-2,662.62-1,232.60

Finding the Fourth Proportional to 1,930.36, 2,662.62 and 1,232.60

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Solution

The fourth proportional to 1,930.36, 2,662.62 and 1,232.60 is: 1,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.36 : 2,662.62 = 1,232.60 : x
  2. Step 2: Convert to fraction form
    1,930.36/2,662.62 = 1,232.60/x
  3. Step 3: Cross multiply
    1,930.36x = 2,662.62 × 1,232.60
  4. Step 4: Simplify right side
    1,930.36x = 3,281,945.41
  5. Step 5: Solve for x
    x = 3,281,945.41/1,930.36
  6. Step 6: Final answer
    x = 1,700.17

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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.