Home / 3,907.07-5,391.78-2,512.25

Finding the Fourth Proportional to 3,907.07, 5,391.78 and 2,512.25

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Solution

The fourth proportional to 3,907.07, 5,391.78 and 2,512.25 is: 3,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.07 : 5,391.78 = 2,512.25 : x
  2. Step 2: Convert to fraction form
    3,907.07/5,391.78 = 2,512.25/x
  3. Step 3: Cross multiply
    3,907.07x = 5,391.78 × 2,512.25
  4. Step 4: Simplify right side
    3,907.07x = 13,545,472.35
  5. Step 5: Solve for x
    x = 13,545,472.35/3,907.07
  6. Step 6: Final answer
    x = 3,466.92

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1.5x scale

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.