Home / 3,897.21-5,379.12-2,325

Finding the Fourth Proportional to 3,897.21, 5,379.12 and 2,325

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Solution

The fourth proportional to 3,897.21, 5,379.12 and 2,325 is: 3,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.21 : 5,379.12 = 2,325 : x
  2. Step 2: Convert to fraction form
    3,897.21/5,379.12 = 2,325/x
  3. Step 3: Cross multiply
    3,897.21x = 5,379.12 × 2,325
  4. Step 4: Simplify right side
    3,897.21x = 12,506,454
  5. Step 5: Solve for x
    x = 12,506,454/3,897.21
  6. Step 6: Final answer
    x = 3,209.08

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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.