Home / 3,907.61-5,392.25-2,229.13

Finding the Fourth Proportional to 3,907.61, 5,392.25 and 2,229.13

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Solution

The fourth proportional to 3,907.61, 5,392.25 and 2,229.13 is: 3,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.61 : 5,392.25 = 2,229.13 : x
  2. Step 2: Convert to fraction form
    3,907.61/5,392.25 = 2,229.13/x
  3. Step 3: Cross multiply
    3,907.61x = 5,392.25 × 2,229.13
  4. Step 4: Simplify right side
    3,907.61x = 12,020,030.20
  5. Step 5: Solve for x
    x = 12,020,030.20/3,907.61
  6. Step 6: Final answer
    x = 3,076.06

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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.