Home / 3,860.96-5,326.36-2,288.16

Finding the Fourth Proportional to 3,860.96, 5,326.36 and 2,288.16

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Solution

The fourth proportional to 3,860.96, 5,326.36 and 2,288.16 is: 3,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.96 : 5,326.36 = 2,288.16 : x
  2. Step 2: Convert to fraction form
    3,860.96/5,326.36 = 2,288.16/x
  3. Step 3: Cross multiply
    3,860.96x = 5,326.36 × 2,288.16
  4. Step 4: Simplify right side
    3,860.96x = 12,187,563.90
  5. Step 5: Solve for x
    x = 12,187,563.90/3,860.96
  6. Step 6: Final answer
    x = 3,156.61

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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.