Home / 3,163.79-4,365.90-1,837.42

Finding the Fourth Proportional to 3,163.79, 4,365.90 and 1,837.42

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Solution

The fourth proportional to 3,163.79, 4,365.90 and 1,837.42 is: 2,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.79 : 4,365.90 = 1,837.42 : x
  2. Step 2: Convert to fraction form
    3,163.79/4,365.90 = 1,837.42/x
  3. Step 3: Cross multiply
    3,163.79x = 4,365.90 × 1,837.42
  4. Step 4: Simplify right side
    3,163.79x = 8,021,981.06
  5. Step 5: Solve for x
    x = 8,021,981.06/3,163.79
  6. Step 6: Final answer
    x = 2,535.56

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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.