Home / 2,041.60-2,817.44-1,333.90

Finding the Fourth Proportional to 2,041.60, 2,817.44 and 1,333.90

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Solution

The fourth proportional to 2,041.60, 2,817.44 and 1,333.90 is: 1,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.60 : 2,817.44 = 1,333.90 : x
  2. Step 2: Convert to fraction form
    2,041.60/2,817.44 = 1,333.90/x
  3. Step 3: Cross multiply
    2,041.60x = 2,817.44 × 1,333.90
  4. Step 4: Simplify right side
    2,041.60x = 3,758,183.22
  5. Step 5: Solve for x
    x = 3,758,183.22/2,041.60
  6. Step 6: Final answer
    x = 1,840.80

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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.