Home / 3,245.12-4,478.80-1,847.84

Finding the Fourth Proportional to 3,245.12, 4,478.80 and 1,847.84

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Solution

The fourth proportional to 3,245.12, 4,478.80 and 1,847.84 is: 2,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.12 : 4,478.80 = 1,847.84 : x
  2. Step 2: Convert to fraction form
    3,245.12/4,478.80 = 1,847.84/x
  3. Step 3: Cross multiply
    3,245.12x = 4,478.80 × 1,847.84
  4. Step 4: Simplify right side
    3,245.12x = 8,276,105.79
  5. Step 5: Solve for x
    x = 8,276,105.79/3,245.12
  6. Step 6: Final answer
    x = 2,550.32

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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.