Home / 3,661.16-5,485.99-2,830.26

Finding the Fourth Proportional to 3,661.16, 5,485.99 and 2,830.26

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Solution

The fourth proportional to 3,661.16, 5,485.99 and 2,830.26 is: 4,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.16 : 5,485.99 = 2,830.26 : x
  2. Step 2: Convert to fraction form
    3,661.16/5,485.99 = 2,830.26/x
  3. Step 3: Cross multiply
    3,661.16x = 5,485.99 × 2,830.26
  4. Step 4: Simplify right side
    3,661.16x = 15,526,758.04
  5. Step 5: Solve for x
    x = 15,526,758.04/3,661.16
  6. Step 6: Final answer
    x = 4,240.94

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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.