Home / 3,897.78-5,847.75-2,167.62

Finding the Fourth Proportional to 3,897.78, 5,847.75 and 2,167.62

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Solution

The fourth proportional to 3,897.78, 5,847.75 and 2,167.62 is: 3,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.78 : 5,847.75 = 2,167.62 : x
  2. Step 2: Convert to fraction form
    3,897.78/5,847.75 = 2,167.62/x
  3. Step 3: Cross multiply
    3,897.78x = 5,847.75 × 2,167.62
  4. Step 4: Simplify right side
    3,897.78x = 12,675,699.86
  5. Step 5: Solve for x
    x = 12,675,699.86/3,897.78
  6. Step 6: Final answer
    x = 3,252.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.