Home / 3,804.52-5,249.68-2,125.72

Finding the Fourth Proportional to 3,804.52, 5,249.68 and 2,125.72

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Solution

The fourth proportional to 3,804.52, 5,249.68 and 2,125.72 is: 2,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.52 : 5,249.68 = 2,125.72 : x
  2. Step 2: Convert to fraction form
    3,804.52/5,249.68 = 2,125.72/x
  3. Step 3: Cross multiply
    3,804.52x = 5,249.68 × 2,125.72
  4. Step 4: Simplify right side
    3,804.52x = 11,159,349.77
  5. Step 5: Solve for x
    x = 11,159,349.77/3,804.52
  6. Step 6: Final answer
    x = 2,933.18

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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.