Home / 2,828.82-4,241.81-1,347.60

Finding the Fourth Proportional to 2,828.82, 4,241.81 and 1,347.60

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Solution

The fourth proportional to 2,828.82, 4,241.81 and 1,347.60 is: 2,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.82 : 4,241.81 = 1,347.60 : x
  2. Step 2: Convert to fraction form
    2,828.82/4,241.81 = 1,347.60/x
  3. Step 3: Cross multiply
    2,828.82x = 4,241.81 × 1,347.60
  4. Step 4: Simplify right side
    2,828.82x = 5,716,263.16
  5. Step 5: Solve for x
    x = 5,716,263.16/2,828.82
  6. Step 6: Final answer
    x = 2,020.72

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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.