Home / 3,221.21-4,444.26-1,804.71

Finding the Fourth Proportional to 3,221.21, 4,444.26 and 1,804.71

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Solution

The fourth proportional to 3,221.21, 4,444.26 and 1,804.71 is: 2,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.21 : 4,444.26 = 1,804.71 : x
  2. Step 2: Convert to fraction form
    3,221.21/4,444.26 = 1,804.71/x
  3. Step 3: Cross multiply
    3,221.21x = 4,444.26 × 1,804.71
  4. Step 4: Simplify right side
    3,221.21x = 8,020,586.05
  5. Step 5: Solve for x
    x = 8,020,586.05/3,221.21
  6. Step 6: Final answer
    x = 2,489.93

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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.