Home / 2,125.25-2,933.05-1,286.17

Finding the Fourth Proportional to 2,125.25, 2,933.05 and 1,286.17

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Solution

The fourth proportional to 2,125.25, 2,933.05 and 1,286.17 is: 1,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.25 : 2,933.05 = 1,286.17 : x
  2. Step 2: Convert to fraction form
    2,125.25/2,933.05 = 1,286.17/x
  3. Step 3: Cross multiply
    2,125.25x = 2,933.05 × 1,286.17
  4. Step 4: Simplify right side
    2,125.25x = 3,772,390.37
  5. Step 5: Solve for x
    x = 3,772,390.37/2,125.25
  6. Step 6: Final answer
    x = 1,775.03

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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.