Home / 3,425.84-4,727.62-1,853.92

Finding the Fourth Proportional to 3,425.84, 4,727.62 and 1,853.92

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Solution

The fourth proportional to 3,425.84, 4,727.62 and 1,853.92 is: 2,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.84 : 4,727.62 = 1,853.92 : x
  2. Step 2: Convert to fraction form
    3,425.84/4,727.62 = 1,853.92/x
  3. Step 3: Cross multiply
    3,425.84x = 4,727.62 × 1,853.92
  4. Step 4: Simplify right side
    3,425.84x = 8,764,629.27
  5. Step 5: Solve for x
    x = 8,764,629.27/3,425.84
  6. Step 6: Final answer
    x = 2,558.39

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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.