Home / 3,907.36-5,392.59-2,229.18

Finding the Fourth Proportional to 3,907.36, 5,392.59 and 2,229.18

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Solution

The fourth proportional to 3,907.36, 5,392.59 and 2,229.18 is: 3,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.36 : 5,392.59 = 2,229.18 : x
  2. Step 2: Convert to fraction form
    3,907.36/5,392.59 = 2,229.18/x
  3. Step 3: Cross multiply
    3,907.36x = 5,392.59 × 2,229.18
  4. Step 4: Simplify right side
    3,907.36x = 12,021,068.07
  5. Step 5: Solve for x
    x = 12,021,068.07/3,907.36
  6. Step 6: Final answer
    x = 3,076.52

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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.