Home / 3,955.37-5,929.18-2,201.21

Finding the Fourth Proportional to 3,955.37, 5,929.18 and 2,201.21

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Solution

The fourth proportional to 3,955.37, 5,929.18 and 2,201.21 is: 3,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.37 : 5,929.18 = 2,201.21 : x
  2. Step 2: Convert to fraction form
    3,955.37/5,929.18 = 2,201.21/x
  3. Step 3: Cross multiply
    3,955.37x = 5,929.18 × 2,201.21
  4. Step 4: Simplify right side
    3,955.37x = 13,051,370.31
  5. Step 5: Solve for x
    x = 13,051,370.31/3,955.37
  6. Step 6: Final answer
    x = 3,299.66

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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.