Home / 3,220.66-4,444.29-1,804.30

Finding the Fourth Proportional to 3,220.66, 4,444.29 and 1,804.30

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Solution

The fourth proportional to 3,220.66, 4,444.29 and 1,804.30 is: 2,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.66 : 4,444.29 = 1,804.30 : x
  2. Step 2: Convert to fraction form
    3,220.66/4,444.29 = 1,804.30/x
  3. Step 3: Cross multiply
    3,220.66x = 4,444.29 × 1,804.30
  4. Step 4: Simplify right side
    3,220.66x = 8,018,832.45
  5. Step 5: Solve for x
    x = 8,018,832.45/3,220.66
  6. Step 6: Final answer
    x = 2,489.81

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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.