Home / 3,511.56-4,847.72-2,185.70

Finding the Fourth Proportional to 3,511.56, 4,847.72 and 2,185.70

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Solution

The fourth proportional to 3,511.56, 4,847.72 and 2,185.70 is: 3,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.56 : 4,847.72 = 2,185.70 : x
  2. Step 2: Convert to fraction form
    3,511.56/4,847.72 = 2,185.70/x
  3. Step 3: Cross multiply
    3,511.56x = 4,847.72 × 2,185.70
  4. Step 4: Simplify right side
    3,511.56x = 10,595,661.60
  5. Step 5: Solve for x
    x = 10,595,661.60/3,511.56
  6. Step 6: Final answer
    x = 3,017.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.