Home / 3,040.40-4,556.28-1,189.52

Finding the Fourth Proportional to 3,040.40, 4,556.28 and 1,189.52

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Solution

The fourth proportional to 3,040.40, 4,556.28 and 1,189.52 is: 1,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.40 : 4,556.28 = 1,189.52 : x
  2. Step 2: Convert to fraction form
    3,040.40/4,556.28 = 1,189.52/x
  3. Step 3: Cross multiply
    3,040.40x = 4,556.28 × 1,189.52
  4. Step 4: Simplify right side
    3,040.40x = 5,419,786.19
  5. Step 5: Solve for x
    x = 5,419,786.19/3,040.40
  6. Step 6: Final answer
    x = 1,782.59

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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.