Home / 2,109.51-3,163.32-1,622.88

Finding the Fourth Proportional to 2,109.51, 3,163.32 and 1,622.88

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Solution

The fourth proportional to 2,109.51, 3,163.32 and 1,622.88 is: 2,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.51 : 3,163.32 = 1,622.88 : x
  2. Step 2: Convert to fraction form
    2,109.51/3,163.32 = 1,622.88/x
  3. Step 3: Cross multiply
    2,109.51x = 3,163.32 × 1,622.88
  4. Step 4: Simplify right side
    2,109.51x = 5,133,688.76
  5. Step 5: Solve for x
    x = 5,133,688.76/2,109.51
  6. Step 6: Final answer
    x = 2,433.59

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1.5x scale

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.