Home / 3,027.05-4,176.80-1,682.45

Finding the Fourth Proportional to 3,027.05, 4,176.80 and 1,682.45

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Solution

The fourth proportional to 3,027.05, 4,176.80 and 1,682.45 is: 2,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.05 : 4,176.80 = 1,682.45 : x
  2. Step 2: Convert to fraction form
    3,027.05/4,176.80 = 1,682.45/x
  3. Step 3: Cross multiply
    3,027.05x = 4,176.80 × 1,682.45
  4. Step 4: Simplify right side
    3,027.05x = 7,027,257.16
  5. Step 5: Solve for x
    x = 7,027,257.16/3,027.05
  6. Step 6: Final answer
    x = 2,321.49

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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.