Home / 3,378.18-5,067.69-1,157.45

Finding the Fourth Proportional to 3,378.18, 5,067.69 and 1,157.45

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Solution

The fourth proportional to 3,378.18, 5,067.69 and 1,157.45 is: 1,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.18 : 5,067.69 = 1,157.45 : x
  2. Step 2: Convert to fraction form
    3,378.18/5,067.69 = 1,157.45/x
  3. Step 3: Cross multiply
    3,378.18x = 5,067.69 × 1,157.45
  4. Step 4: Simplify right side
    3,378.18x = 5,865,572.45
  5. Step 5: Solve for x
    x = 5,865,572.45/3,378.18
  6. Step 6: Final answer
    x = 1,736.31

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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.