Home / 3,270.05-4,512.58-1,853.87

Finding the Fourth Proportional to 3,270.05, 4,512.58 and 1,853.87

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Solution

The fourth proportional to 3,270.05, 4,512.58 and 1,853.87 is: 2,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.05 : 4,512.58 = 1,853.87 : x
  2. Step 2: Convert to fraction form
    3,270.05/4,512.58 = 1,853.87/x
  3. Step 3: Cross multiply
    3,270.05x = 4,512.58 × 1,853.87
  4. Step 4: Simplify right side
    3,270.05x = 8,365,722.93
  5. Step 5: Solve for x
    x = 8,365,722.93/3,270.05
  6. Step 6: Final answer
    x = 2,558.29

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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.