Home / 3,270.84-4,907.52-1,538.25

Finding the Fourth Proportional to 3,270.84, 4,907.52 and 1,538.25

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Solution

The fourth proportional to 3,270.84, 4,907.52 and 1,538.25 is: 2,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.84 : 4,907.52 = 1,538.25 : x
  2. Step 2: Convert to fraction form
    3,270.84/4,907.52 = 1,538.25/x
  3. Step 3: Cross multiply
    3,270.84x = 4,907.52 × 1,538.25
  4. Step 4: Simplify right side
    3,270.84x = 7,548,992.64
  5. Step 5: Solve for x
    x = 7,548,992.64/3,270.84
  6. Step 6: Final answer
    x = 2,307.97

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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.