Home / 3,728.54-5,145.53-2,050.09

Finding the Fourth Proportional to 3,728.54, 5,145.53 and 2,050.09

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Solution

The fourth proportional to 3,728.54, 5,145.53 and 2,050.09 is: 2,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.54 : 5,145.53 = 2,050.09 : x
  2. Step 2: Convert to fraction form
    3,728.54/5,145.53 = 2,050.09/x
  3. Step 3: Cross multiply
    3,728.54x = 5,145.53 × 2,050.09
  4. Step 4: Simplify right side
    3,728.54x = 10,548,776.48
  5. Step 5: Solve for x
    x = 10,548,776.48/3,728.54
  6. Step 6: Final answer
    x = 2,829.20

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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.