Home / 3,840.03-5,756.39-2,194.31

Finding the Fourth Proportional to 3,840.03, 5,756.39 and 2,194.31

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Solution

The fourth proportional to 3,840.03, 5,756.39 and 2,194.31 is: 3,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.03 : 5,756.39 = 2,194.31 : x
  2. Step 2: Convert to fraction form
    3,840.03/5,756.39 = 2,194.31/x
  3. Step 3: Cross multiply
    3,840.03x = 5,756.39 × 2,194.31
  4. Step 4: Simplify right side
    3,840.03x = 12,631,264.39
  5. Step 5: Solve for x
    x = 12,631,264.39/3,840.03
  6. Step 6: Final answer
    x = 3,289.37

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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.