Home / 3,163.51-4,364.31-1,904.57

Finding the Fourth Proportional to 3,163.51, 4,364.31 and 1,904.57

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Solution

The fourth proportional to 3,163.51, 4,364.31 and 1,904.57 is: 2,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.51 : 4,364.31 = 1,904.57 : x
  2. Step 2: Convert to fraction form
    3,163.51/4,364.31 = 1,904.57/x
  3. Step 3: Cross multiply
    3,163.51x = 4,364.31 × 1,904.57
  4. Step 4: Simplify right side
    3,163.51x = 8,312,133.90
  5. Step 5: Solve for x
    x = 8,312,133.90/3,163.51
  6. Step 6: Final answer
    x = 2,627.50

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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.