Home / 3,270.90-4,907.04-1,323.09

Finding the Fourth Proportional to 3,270.90, 4,907.04 and 1,323.09

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Solution

The fourth proportional to 3,270.90, 4,907.04 and 1,323.09 is: 1,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.90 : 4,907.04 = 1,323.09 : x
  2. Step 2: Convert to fraction form
    3,270.90/4,907.04 = 1,323.09/x
  3. Step 3: Cross multiply
    3,270.90x = 4,907.04 × 1,323.09
  4. Step 4: Simplify right side
    3,270.90x = 6,492,455.55
  5. Step 5: Solve for x
    x = 6,492,455.55/3,270.90
  6. Step 6: Final answer
    x = 1,984.91

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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.