Home / 3,026.45-4,176.38-1,682.12

Finding the Fourth Proportional to 3,026.45, 4,176.38 and 1,682.12

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Solution

The fourth proportional to 3,026.45, 4,176.38 and 1,682.12 is: 2,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.45 : 4,176.38 = 1,682.12 : x
  2. Step 2: Convert to fraction form
    3,026.45/4,176.38 = 1,682.12/x
  3. Step 3: Cross multiply
    3,026.45x = 4,176.38 × 1,682.12
  4. Step 4: Simplify right side
    3,026.45x = 7,025,143.03
  5. Step 5: Solve for x
    x = 7,025,143.03/3,026.45
  6. Step 6: Final answer
    x = 2,321.25

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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.