Home / 3,425.68-4,727.43-1,853.80

Finding the Fourth Proportional to 3,425.68, 4,727.43 and 1,853.80

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Solution

The fourth proportional to 3,425.68, 4,727.43 and 1,853.80 is: 2,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.68 : 4,727.43 = 1,853.80 : x
  2. Step 2: Convert to fraction form
    3,425.68/4,727.43 = 1,853.80/x
  3. Step 3: Cross multiply
    3,425.68x = 4,727.43 × 1,853.80
  4. Step 4: Simplify right side
    3,425.68x = 8,763,709.73
  5. Step 5: Solve for x
    x = 8,763,709.73/3,425.68
  6. Step 6: Final answer
    x = 2,558.24

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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.