Home / 3,400.11-5,100.93-1,208.84

Finding the Fourth Proportional to 3,400.11, 5,100.93 and 1,208.84

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Solution

The fourth proportional to 3,400.11, 5,100.93 and 1,208.84 is: 1,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.11 : 5,100.93 = 1,208.84 : x
  2. Step 2: Convert to fraction form
    3,400.11/5,100.93 = 1,208.84/x
  3. Step 3: Cross multiply
    3,400.11x = 5,100.93 × 1,208.84
  4. Step 4: Simplify right side
    3,400.11x = 6,166,208.22
  5. Step 5: Solve for x
    x = 6,166,208.22/3,400.11
  6. Step 6: Final answer
    x = 1,813.53

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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.