Home / 3,425.72-4,727.44-1,853.80

Finding the Fourth Proportional to 3,425.72, 4,727.44 and 1,853.80

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Solution

The fourth proportional to 3,425.72, 4,727.44 and 1,853.80 is: 2,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.72 : 4,727.44 = 1,853.80 : x
  2. Step 2: Convert to fraction form
    3,425.72/4,727.44 = 1,853.80/x
  3. Step 3: Cross multiply
    3,425.72x = 4,727.44 × 1,853.80
  4. Step 4: Simplify right side
    3,425.72x = 8,763,728.27
  5. Step 5: Solve for x
    x = 8,763,728.27/3,425.72
  6. Step 6: Final answer
    x = 2,558.21

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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.