Home / 3,879.32-5,819.16-1,106.18

Finding the Fourth Proportional to 3,879.32, 5,819.16 and 1,106.18

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Solution

The fourth proportional to 3,879.32, 5,819.16 and 1,106.18 is: 1,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.32 : 5,819.16 = 1,106.18 : x
  2. Step 2: Convert to fraction form
    3,879.32/5,819.16 = 1,106.18/x
  3. Step 3: Cross multiply
    3,879.32x = 5,819.16 × 1,106.18
  4. Step 4: Simplify right side
    3,879.32x = 6,437,038.41
  5. Step 5: Solve for x
    x = 6,437,038.41/3,879.32
  6. Step 6: Final answer
    x = 1,659.32

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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.