Home / 3,728.65-5,145.54-2,050.05

Finding the Fourth Proportional to 3,728.65, 5,145.54 and 2,050.05

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Solution

The fourth proportional to 3,728.65, 5,145.54 and 2,050.05 is: 2,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.65 : 5,145.54 = 2,050.05 : x
  2. Step 2: Convert to fraction form
    3,728.65/5,145.54 = 2,050.05/x
  3. Step 3: Cross multiply
    3,728.65x = 5,145.54 × 2,050.05
  4. Step 4: Simplify right side
    3,728.65x = 10,548,614.28
  5. Step 5: Solve for x
    x = 10,548,614.28/3,728.65
  6. Step 6: Final answer
    x = 2,829.07

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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.