Home / 3,728.49-5,145.39-2,050.05

Finding the Fourth Proportional to 3,728.49, 5,145.39 and 2,050.05

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Solution

The fourth proportional to 3,728.49, 5,145.39 and 2,050.05 is: 2,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.49 : 5,145.39 = 2,050.05 : x
  2. Step 2: Convert to fraction form
    3,728.49/5,145.39 = 2,050.05/x
  3. Step 3: Cross multiply
    3,728.49x = 5,145.39 × 2,050.05
  4. Step 4: Simplify right side
    3,728.49x = 10,548,306.77
  5. Step 5: Solve for x
    x = 10,548,306.77/3,728.49
  6. Step 6: Final answer
    x = 2,829.11

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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.