Home / 3,944.67-5,443.63-2,152.15

Finding the Fourth Proportional to 3,944.67, 5,443.63 and 2,152.15

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Solution

The fourth proportional to 3,944.67, 5,443.63 and 2,152.15 is: 2,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.67 : 5,443.63 = 2,152.15 : x
  2. Step 2: Convert to fraction form
    3,944.67/5,443.63 = 2,152.15/x
  3. Step 3: Cross multiply
    3,944.67x = 5,443.63 × 2,152.15
  4. Step 4: Simplify right side
    3,944.67x = 11,715,525.99
  5. Step 5: Solve for x
    x = 11,715,525.99/3,944.67
  6. Step 6: Final answer
    x = 2,969.96

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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.