Home / 2,285.96-3,428.40-1,052.60

Finding the Fourth Proportional to 2,285.96, 3,428.40 and 1,052.60

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Solution

The fourth proportional to 2,285.96, 3,428.40 and 1,052.60 is: 1,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.96 : 3,428.40 = 1,052.60 : x
  2. Step 2: Convert to fraction form
    2,285.96/3,428.40 = 1,052.60/x
  3. Step 3: Cross multiply
    2,285.96x = 3,428.40 × 1,052.60
  4. Step 4: Simplify right side
    2,285.96x = 3,608,733.84
  5. Step 5: Solve for x
    x = 3,608,733.84/2,285.96
  6. Step 6: Final answer
    x = 1,578.65

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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.