Home / 2,821.21-4,232.52-1,066.21

Finding the Fourth Proportional to 2,821.21, 4,232.52 and 1,066.21

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Solution

The fourth proportional to 2,821.21, 4,232.52 and 1,066.21 is: 1,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.21 : 4,232.52 = 1,066.21 : x
  2. Step 2: Convert to fraction form
    2,821.21/4,232.52 = 1,066.21/x
  3. Step 3: Cross multiply
    2,821.21x = 4,232.52 × 1,066.21
  4. Step 4: Simplify right side
    2,821.21x = 4,512,755.15
  5. Step 5: Solve for x
    x = 4,512,755.15/2,821.21
  6. Step 6: Final answer
    x = 1,599.58

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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.