Home / 3,169.90-4,754.09-1,321.04

Finding the Fourth Proportional to 3,169.90, 4,754.09 and 1,321.04

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Solution

The fourth proportional to 3,169.90, 4,754.09 and 1,321.04 is: 1,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.90 : 4,754.09 = 1,321.04 : x
  2. Step 2: Convert to fraction form
    3,169.90/4,754.09 = 1,321.04/x
  3. Step 3: Cross multiply
    3,169.90x = 4,754.09 × 1,321.04
  4. Step 4: Simplify right side
    3,169.90x = 6,280,358.24
  5. Step 5: Solve for x
    x = 6,280,358.24/3,169.90
  6. Step 6: Final answer
    x = 1,981.25

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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.