Home / 3,804.28-5,249.72-2,125.35

Finding the Fourth Proportional to 3,804.28, 5,249.72 and 2,125.35

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Solution

The fourth proportional to 3,804.28, 5,249.72 and 2,125.35 is: 2,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.28 : 5,249.72 = 2,125.35 : x
  2. Step 2: Convert to fraction form
    3,804.28/5,249.72 = 2,125.35/x
  3. Step 3: Cross multiply
    3,804.28x = 5,249.72 × 2,125.35
  4. Step 4: Simplify right side
    3,804.28x = 11,157,492.40
  5. Step 5: Solve for x
    x = 11,157,492.40/3,804.28
  6. Step 6: Final answer
    x = 2,932.88

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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.