Home / 3,271.44-4,907.16-1,323.12

Finding the Fourth Proportional to 3,271.44, 4,907.16 and 1,323.12

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Solution

The fourth proportional to 3,271.44, 4,907.16 and 1,323.12 is: 1,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.44 : 4,907.16 = 1,323.12 : x
  2. Step 2: Convert to fraction form
    3,271.44/4,907.16 = 1,323.12/x
  3. Step 3: Cross multiply
    3,271.44x = 4,907.16 × 1,323.12
  4. Step 4: Simplify right side
    3,271.44x = 6,492,761.54
  5. Step 5: Solve for x
    x = 6,492,761.54/3,271.44
  6. Step 6: Final answer
    x = 1,984.68

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1.5x scale

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.