Home / 1,729.54-2,388.45-1,232.20

Finding the Fourth Proportional to 1,729.54, 2,388.45 and 1,232.20

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Solution

The fourth proportional to 1,729.54, 2,388.45 and 1,232.20 is: 1,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.54 : 2,388.45 = 1,232.20 : x
  2. Step 2: Convert to fraction form
    1,729.54/2,388.45 = 1,232.20/x
  3. Step 3: Cross multiply
    1,729.54x = 2,388.45 × 1,232.20
  4. Step 4: Simplify right side
    1,729.54x = 2,943,048.09
  5. Step 5: Solve for x
    x = 2,943,048.09/1,729.54
  6. Step 6: Final answer
    x = 1,701.64

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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.