Home / 3,485.25-5,228.42-1,177.29

Finding the Fourth Proportional to 3,485.25, 5,228.42 and 1,177.29

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Solution

The fourth proportional to 3,485.25, 5,228.42 and 1,177.29 is: 1,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.25 : 5,228.42 = 1,177.29 : x
  2. Step 2: Convert to fraction form
    3,485.25/5,228.42 = 1,177.29/x
  3. Step 3: Cross multiply
    3,485.25x = 5,228.42 × 1,177.29
  4. Step 4: Simplify right side
    3,485.25x = 6,155,360.70
  5. Step 5: Solve for x
    x = 6,155,360.70/3,485.25
  6. Step 6: Final answer
    x = 1,766.12

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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.