Home / 3,811.44-5,259.24-2,319.42

Finding the Fourth Proportional to 3,811.44, 5,259.24 and 2,319.42

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Solution

The fourth proportional to 3,811.44, 5,259.24 and 2,319.42 is: 3,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.44 : 5,259.24 = 2,319.42 : x
  2. Step 2: Convert to fraction form
    3,811.44/5,259.24 = 2,319.42/x
  3. Step 3: Cross multiply
    3,811.44x = 5,259.24 × 2,319.42
  4. Step 4: Simplify right side
    3,811.44x = 12,198,386.44
  5. Step 5: Solve for x
    x = 12,198,386.44/3,811.44
  6. Step 6: Final answer
    x = 3,200.47

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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.