Home / 3,862.64-5,796.08-2,107.57

Finding the Fourth Proportional to 3,862.64, 5,796.08 and 2,107.57

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Solution

The fourth proportional to 3,862.64, 5,796.08 and 2,107.57 is: 3,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.64 : 5,796.08 = 2,107.57 : x
  2. Step 2: Convert to fraction form
    3,862.64/5,796.08 = 2,107.57/x
  3. Step 3: Cross multiply
    3,862.64x = 5,796.08 × 2,107.57
  4. Step 4: Simplify right side
    3,862.64x = 12,215,635.10
  5. Step 5: Solve for x
    x = 12,215,635.10/3,862.64
  6. Step 6: Final answer
    x = 3,162.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.