Home / 3,521.06-5,283-1,330.41

Finding the Fourth Proportional to 3,521.06, 5,283 and 1,330.41

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Solution

The fourth proportional to 3,521.06, 5,283 and 1,330.41 is: 1,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.06 : 5,283 = 1,330.41 : x
  2. Step 2: Convert to fraction form
    3,521.06/5,283 = 1,330.41/x
  3. Step 3: Cross multiply
    3,521.06x = 5,283 × 1,330.41
  4. Step 4: Simplify right side
    3,521.06x = 7,028,556.03
  5. Step 5: Solve for x
    x = 7,028,556.03/3,521.06
  6. Step 6: Final answer
    x = 1,996.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.