Home / 3,163.37-4,365.07-1,904.40

Finding the Fourth Proportional to 3,163.37, 4,365.07 and 1,904.40

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Solution

The fourth proportional to 3,163.37, 4,365.07 and 1,904.40 is: 2,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.37 : 4,365.07 = 1,904.40 : x
  2. Step 2: Convert to fraction form
    3,163.37/4,365.07 = 1,904.40/x
  3. Step 3: Cross multiply
    3,163.37x = 4,365.07 × 1,904.40
  4. Step 4: Simplify right side
    3,163.37x = 8,312,834.55
  5. Step 5: Solve for x
    x = 8,312,834.55/3,163.37
  6. Step 6: Final answer
    x = 2,627.85

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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.