Home / 3,676.53-5,072.45-2,280.09

Finding the Fourth Proportional to 3,676.53, 5,072.45 and 2,280.09

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Solution

The fourth proportional to 3,676.53, 5,072.45 and 2,280.09 is: 3,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.53 : 5,072.45 = 2,280.09 : x
  2. Step 2: Convert to fraction form
    3,676.53/5,072.45 = 2,280.09/x
  3. Step 3: Cross multiply
    3,676.53x = 5,072.45 × 2,280.09
  4. Step 4: Simplify right side
    3,676.53x = 11,565,631.12
  5. Step 5: Solve for x
    x = 11,565,631.12/3,676.53
  6. Step 6: Final answer
    x = 3,145.80

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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.