Home / 2,241.10-3,360.75-1,316.89

Finding the Fourth Proportional to 2,241.10, 3,360.75 and 1,316.89

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Solution

The fourth proportional to 2,241.10, 3,360.75 and 1,316.89 is: 1,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.10 : 3,360.75 = 1,316.89 : x
  2. Step 2: Convert to fraction form
    2,241.10/3,360.75 = 1,316.89/x
  3. Step 3: Cross multiply
    2,241.10x = 3,360.75 × 1,316.89
  4. Step 4: Simplify right side
    2,241.10x = 4,425,738.07
  5. Step 5: Solve for x
    x = 4,425,738.07/2,241.10
  6. Step 6: Final answer
    x = 1,974.81

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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.