Home / 3,872.54-5,345.48-2,300.63

Finding the Fourth Proportional to 3,872.54, 5,345.48 and 2,300.63

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Solution

The fourth proportional to 3,872.54, 5,345.48 and 2,300.63 is: 3,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.54 : 5,345.48 = 2,300.63 : x
  2. Step 2: Convert to fraction form
    3,872.54/5,345.48 = 2,300.63/x
  3. Step 3: Cross multiply
    3,872.54x = 5,345.48 × 2,300.63
  4. Step 4: Simplify right side
    3,872.54x = 12,297,950.68
  5. Step 5: Solve for x
    x = 12,297,950.68/3,872.54
  6. Step 6: Final answer
    x = 3,175.68

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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.