Home / 2,847.64-3,928.60-1,852.56

Finding the Fourth Proportional to 2,847.64, 3,928.60 and 1,852.56

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Solution

The fourth proportional to 2,847.64, 3,928.60 and 1,852.56 is: 2,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.64 : 3,928.60 = 1,852.56 : x
  2. Step 2: Convert to fraction form
    2,847.64/3,928.60 = 1,852.56/x
  3. Step 3: Cross multiply
    2,847.64x = 3,928.60 × 1,852.56
  4. Step 4: Simplify right side
    2,847.64x = 7,277,967.22
  5. Step 5: Solve for x
    x = 7,277,967.22/2,847.64
  6. Step 6: Final answer
    x = 2,555.79

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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.