Home / 2,790.49-3,850.55-1,671.27

Finding the Fourth Proportional to 2,790.49, 3,850.55 and 1,671.27

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Solution

The fourth proportional to 2,790.49, 3,850.55 and 1,671.27 is: 2,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.49 : 3,850.55 = 1,671.27 : x
  2. Step 2: Convert to fraction form
    2,790.49/3,850.55 = 1,671.27/x
  3. Step 3: Cross multiply
    2,790.49x = 3,850.55 × 1,671.27
  4. Step 4: Simplify right side
    2,790.49x = 6,435,306.61
  5. Step 5: Solve for x
    x = 6,435,306.61/2,790.49
  6. Step 6: Final answer
    x = 2,306.16

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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.