Home / 3,292.40-4,939.68-1,538.24

Finding the Fourth Proportional to 3,292.40, 4,939.68 and 1,538.24

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Solution

The fourth proportional to 3,292.40, 4,939.68 and 1,538.24 is: 2,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.40 : 4,939.68 = 1,538.24 : x
  2. Step 2: Convert to fraction form
    3,292.40/4,939.68 = 1,538.24/x
  3. Step 3: Cross multiply
    3,292.40x = 4,939.68 × 1,538.24
  4. Step 4: Simplify right side
    3,292.40x = 7,598,413.36
  5. Step 5: Solve for x
    x = 7,598,413.36/3,292.40
  6. Step 6: Final answer
    x = 2,307.86

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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.