Home / 3,885.29-5,360-2,625.89

Finding the Fourth Proportional to 3,885.29, 5,360 and 2,625.89

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Solution

The fourth proportional to 3,885.29, 5,360 and 2,625.89 is: 3,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.29 : 5,360 = 2,625.89 : x
  2. Step 2: Convert to fraction form
    3,885.29/5,360 = 2,625.89/x
  3. Step 3: Cross multiply
    3,885.29x = 5,360 × 2,625.89
  4. Step 4: Simplify right side
    3,885.29x = 14,074,770.40
  5. Step 5: Solve for x
    x = 14,074,770.40/3,885.29
  6. Step 6: Final answer
    x = 3,622.58

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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.