Home / 3,019.88-4,166.24-1,838.90

Finding the Fourth Proportional to 3,019.88, 4,166.24 and 1,838.90

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Solution

The fourth proportional to 3,019.88, 4,166.24 and 1,838.90 is: 2,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.88 : 4,166.24 = 1,838.90 : x
  2. Step 2: Convert to fraction form
    3,019.88/4,166.24 = 1,838.90/x
  3. Step 3: Cross multiply
    3,019.88x = 4,166.24 × 1,838.90
  4. Step 4: Simplify right side
    3,019.88x = 7,661,299.96
  5. Step 5: Solve for x
    x = 7,661,299.96/3,019.88
  6. Step 6: Final answer
    x = 2,536.95

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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.