Home / 3,934.49-5,431.85-2,610

Finding the Fourth Proportional to 3,934.49, 5,431.85 and 2,610

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Solution

The fourth proportional to 3,934.49, 5,431.85 and 2,610 is: 3,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.49 : 5,431.85 = 2,610 : x
  2. Step 2: Convert to fraction form
    3,934.49/5,431.85 = 2,610/x
  3. Step 3: Cross multiply
    3,934.49x = 5,431.85 × 2,610
  4. Step 4: Simplify right side
    3,934.49x = 14,177,115.45
  5. Step 5: Solve for x
    x = 14,177,115.45/3,934.49
  6. Step 6: Final answer
    x = 3,603.30

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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.