Home / 3,222.21-4,447.53-1,896.35

Finding the Fourth Proportional to 3,222.21, 4,447.53 and 1,896.35

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Solution

The fourth proportional to 3,222.21, 4,447.53 and 1,896.35 is: 2,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.21 : 4,447.53 = 1,896.35 : x
  2. Step 2: Convert to fraction form
    3,222.21/4,447.53 = 1,896.35/x
  3. Step 3: Cross multiply
    3,222.21x = 4,447.53 × 1,896.35
  4. Step 4: Simplify right side
    3,222.21x = 8,434,051.28
  5. Step 5: Solve for x
    x = 8,434,051.28/3,222.21
  6. Step 6: Final answer
    x = 2,617.47

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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.