Home / 4,078.41-5,626.55-2,661.61

Finding the Fourth Proportional to 4,078.41, 5,626.55 and 2,661.61

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Solution

The fourth proportional to 4,078.41, 5,626.55 and 2,661.61 is: 3,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.41 : 5,626.55 = 2,661.61 : x
  2. Step 2: Convert to fraction form
    4,078.41/5,626.55 = 2,661.61/x
  3. Step 3: Cross multiply
    4,078.41x = 5,626.55 × 2,661.61
  4. Step 4: Simplify right side
    4,078.41x = 14,975,681.14
  5. Step 5: Solve for x
    x = 14,975,681.14/4,078.41
  6. Step 6: Final answer
    x = 3,671.94

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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.