Home / 2,147.77-3,222.84-1,160.56

Finding the Fourth Proportional to 2,147.77, 3,222.84 and 1,160.56

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Solution

The fourth proportional to 2,147.77, 3,222.84 and 1,160.56 is: 1,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.77 : 3,222.84 = 1,160.56 : x
  2. Step 2: Convert to fraction form
    2,147.77/3,222.84 = 1,160.56/x
  3. Step 3: Cross multiply
    2,147.77x = 3,222.84 × 1,160.56
  4. Step 4: Simplify right side
    2,147.77x = 3,740,283.08
  5. Step 5: Solve for x
    x = 3,740,283.08/2,147.77
  6. Step 6: Final answer
    x = 1,741.48

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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.