Home / 3,028.45-4,176.66-1,965.17

Finding the Fourth Proportional to 3,028.45, 4,176.66 and 1,965.17

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Solution

The fourth proportional to 3,028.45, 4,176.66 and 1,965.17 is: 2,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.45 : 4,176.66 = 1,965.17 : x
  2. Step 2: Convert to fraction form
    3,028.45/4,176.66 = 1,965.17/x
  3. Step 3: Cross multiply
    3,028.45x = 4,176.66 × 1,965.17
  4. Step 4: Simplify right side
    3,028.45x = 8,207,830.20
  5. Step 5: Solve for x
    x = 8,207,830.20/3,028.45
  6. Step 6: Final answer
    x = 2,710.24

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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.