Home / 2,795.67-3,858.09-1,536.76

Finding the Fourth Proportional to 2,795.67, 3,858.09 and 1,536.76

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Solution

The fourth proportional to 2,795.67, 3,858.09 and 1,536.76 is: 2,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.67 : 3,858.09 = 1,536.76 : x
  2. Step 2: Convert to fraction form
    2,795.67/3,858.09 = 1,536.76/x
  3. Step 3: Cross multiply
    2,795.67x = 3,858.09 × 1,536.76
  4. Step 4: Simplify right side
    2,795.67x = 5,928,958.39
  5. Step 5: Solve for x
    x = 5,928,958.39/2,795.67
  6. Step 6: Final answer
    x = 2,120.76

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1.5x scale

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.