Home / 3,271.79-4,907.68-1,325.36

Finding the Fourth Proportional to 3,271.79, 4,907.68 and 1,325.36

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Solution

The fourth proportional to 3,271.79, 4,907.68 and 1,325.36 is: 1,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.79 : 4,907.68 = 1,325.36 : x
  2. Step 2: Convert to fraction form
    3,271.79/4,907.68 = 1,325.36/x
  3. Step 3: Cross multiply
    3,271.79x = 4,907.68 × 1,325.36
  4. Step 4: Simplify right side
    3,271.79x = 6,504,414.91
  5. Step 5: Solve for x
    x = 6,504,414.91/3,271.79
  6. Step 6: Final answer
    x = 1,988.03

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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.