Home / 3,485.25-5,228.13-1,144.65

Finding the Fourth Proportional to 3,485.25, 5,228.13 and 1,144.65

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Solution

The fourth proportional to 3,485.25, 5,228.13 and 1,144.65 is: 1,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.25 : 5,228.13 = 1,144.65 : x
  2. Step 2: Convert to fraction form
    3,485.25/5,228.13 = 1,144.65/x
  3. Step 3: Cross multiply
    3,485.25x = 5,228.13 × 1,144.65
  4. Step 4: Simplify right side
    3,485.25x = 5,984,379.00
  5. Step 5: Solve for x
    x = 5,984,379.00/3,485.25
  6. Step 6: Final answer
    x = 1,717.06

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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.