Home / 3,485.44-4,808.38-2,087.38

Finding the Fourth Proportional to 3,485.44, 4,808.38 and 2,087.38

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Solution

The fourth proportional to 3,485.44, 4,808.38 and 2,087.38 is: 2,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.44 : 4,808.38 = 2,087.38 : x
  2. Step 2: Convert to fraction form
    3,485.44/4,808.38 = 2,087.38/x
  3. Step 3: Cross multiply
    3,485.44x = 4,808.38 × 2,087.38
  4. Step 4: Simplify right side
    3,485.44x = 10,036,916.24
  5. Step 5: Solve for x
    x = 10,036,916.24/3,485.44
  6. Step 6: Final answer
    x = 2,879.67

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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.