Home / 3,098.46-4,274.48-1,839.57

Finding the Fourth Proportional to 3,098.46, 4,274.48 and 1,839.57

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Solution

The fourth proportional to 3,098.46, 4,274.48 and 1,839.57 is: 2,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.46 : 4,274.48 = 1,839.57 : x
  2. Step 2: Convert to fraction form
    3,098.46/4,274.48 = 1,839.57/x
  3. Step 3: Cross multiply
    3,098.46x = 4,274.48 × 1,839.57
  4. Step 4: Simplify right side
    3,098.46x = 7,863,183.80
  5. Step 5: Solve for x
    x = 7,863,183.80/3,098.46
  6. Step 6: Final answer
    x = 2,537.77

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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.