Home / 2,566.21-3,847.39-1,087.17

Finding the Fourth Proportional to 2,566.21, 3,847.39 and 1,087.17

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Solution

The fourth proportional to 2,566.21, 3,847.39 and 1,087.17 is: 1,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.21 : 3,847.39 = 1,087.17 : x
  2. Step 2: Convert to fraction form
    2,566.21/3,847.39 = 1,087.17/x
  3. Step 3: Cross multiply
    2,566.21x = 3,847.39 × 1,087.17
  4. Step 4: Simplify right side
    2,566.21x = 4,182,749.84
  5. Step 5: Solve for x
    x = 4,182,749.84/2,566.21
  6. Step 6: Final answer
    x = 1,629.93

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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.