Home / 2,928.45-4,393.26-1,540.92

Finding the Fourth Proportional to 2,928.45, 4,393.26 and 1,540.92

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Solution

The fourth proportional to 2,928.45, 4,393.26 and 1,540.92 is: 2,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.45 : 4,393.26 = 1,540.92 : x
  2. Step 2: Convert to fraction form
    2,928.45/4,393.26 = 1,540.92/x
  3. Step 3: Cross multiply
    2,928.45x = 4,393.26 × 1,540.92
  4. Step 4: Simplify right side
    2,928.45x = 6,769,662.20
  5. Step 5: Solve for x
    x = 6,769,662.20/2,928.45
  6. Step 6: Final answer
    x = 2,311.69

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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.