Home / 3,626.85-5,005.53-2,055

Finding the Fourth Proportional to 3,626.85, 5,005.53 and 2,055

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Solution

The fourth proportional to 3,626.85, 5,005.53 and 2,055 is: 2,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.85 : 5,005.53 = 2,055 : x
  2. Step 2: Convert to fraction form
    3,626.85/5,005.53 = 2,055/x
  3. Step 3: Cross multiply
    3,626.85x = 5,005.53 × 2,055
  4. Step 4: Simplify right side
    3,626.85x = 10,286,364.15
  5. Step 5: Solve for x
    x = 10,286,364.15/3,626.85
  6. Step 6: Final answer
    x = 2,836.17

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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.