Home / 3,798.77-5,244.68-2,912.87

Finding the Fourth Proportional to 3,798.77, 5,244.68 and 2,912.87

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Solution

The fourth proportional to 3,798.77, 5,244.68 and 2,912.87 is: 4,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.77 : 5,244.68 = 2,912.87 : x
  2. Step 2: Convert to fraction form
    3,798.77/5,244.68 = 2,912.87/x
  3. Step 3: Cross multiply
    3,798.77x = 5,244.68 × 2,912.87
  4. Step 4: Simplify right side
    3,798.77x = 15,277,071.03
  5. Step 5: Solve for x
    x = 15,277,071.03/3,798.77
  6. Step 6: Final answer
    x = 4,021.58

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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.