Home / 3,806.02-5,709.64-1,208.76

Finding the Fourth Proportional to 3,806.02, 5,709.64 and 1,208.76

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Solution

The fourth proportional to 3,806.02, 5,709.64 and 1,208.76 is: 1,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.02 : 5,709.64 = 1,208.76 : x
  2. Step 2: Convert to fraction form
    3,806.02/5,709.64 = 1,208.76/x
  3. Step 3: Cross multiply
    3,806.02x = 5,709.64 × 1,208.76
  4. Step 4: Simplify right side
    3,806.02x = 6,901,584.45
  5. Step 5: Solve for x
    x = 6,901,584.45/3,806.02
  6. Step 6: Final answer
    x = 1,813.33

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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.