Home / 3,728.00-5,145.35-2,236.79

Finding the Fourth Proportional to 3,728.00, 5,145.35 and 2,236.79

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Solution

The fourth proportional to 3,728.00, 5,145.35 and 2,236.79 is: 3,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.00 : 5,145.35 = 2,236.79 : x
  2. Step 2: Convert to fraction form
    3,728.00/5,145.35 = 2,236.79/x
  3. Step 3: Cross multiply
    3,728.00x = 5,145.35 × 2,236.79
  4. Step 4: Simplify right side
    3,728.00x = 11,509,030.52
  5. Step 5: Solve for x
    x = 11,509,030.52/3,728.00
  6. Step 6: Final answer
    x = 3,087.19

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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.