Home / 3,220.41-4,832.24-1,490.25

Finding the Fourth Proportional to 3,220.41, 4,832.24 and 1,490.25

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Solution

The fourth proportional to 3,220.41, 4,832.24 and 1,490.25 is: 2,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.41 : 4,832.24 = 1,490.25 : x
  2. Step 2: Convert to fraction form
    3,220.41/4,832.24 = 1,490.25/x
  3. Step 3: Cross multiply
    3,220.41x = 4,832.24 × 1,490.25
  4. Step 4: Simplify right side
    3,220.41x = 7,201,238.21
  5. Step 5: Solve for x
    x = 7,201,238.21/3,220.41
  6. Step 6: Final answer
    x = 2,236.12

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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.