Home / 3,295.80-4,548.42-1,803.78

Finding the Fourth Proportional to 3,295.80, 4,548.42 and 1,803.78

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Solution

The fourth proportional to 3,295.80, 4,548.42 and 1,803.78 is: 2,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.80 : 4,548.42 = 1,803.78 : x
  2. Step 2: Convert to fraction form
    3,295.80/4,548.42 = 1,803.78/x
  3. Step 3: Cross multiply
    3,295.80x = 4,548.42 × 1,803.78
  4. Step 4: Simplify right side
    3,295.80x = 8,204,349.03
  5. Step 5: Solve for x
    x = 8,204,349.03/3,295.80
  6. Step 6: Final answer
    x = 2,489.33

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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.