Home / 3,955.20-5,928.09-1,843.98

Finding the Fourth Proportional to 3,955.20, 5,928.09 and 1,843.98

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Solution

The fourth proportional to 3,955.20, 5,928.09 and 1,843.98 is: 2,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.20 : 5,928.09 = 1,843.98 : x
  2. Step 2: Convert to fraction form
    3,955.20/5,928.09 = 1,843.98/x
  3. Step 3: Cross multiply
    3,955.20x = 5,928.09 × 1,843.98
  4. Step 4: Simplify right side
    3,955.20x = 10,931,279.40
  5. Step 5: Solve for x
    x = 10,931,279.40/3,955.20
  6. Step 6: Final answer
    x = 2,763.77

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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.