Home / 3,728.75-5,145.77-2,050.07

Finding the Fourth Proportional to 3,728.75, 5,145.77 and 2,050.07

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Solution

The fourth proportional to 3,728.75, 5,145.77 and 2,050.07 is: 2,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.75 : 5,145.77 = 2,050.07 : x
  2. Step 2: Convert to fraction form
    3,728.75/5,145.77 = 2,050.07/x
  3. Step 3: Cross multiply
    3,728.75x = 5,145.77 × 2,050.07
  4. Step 4: Simplify right side
    3,728.75x = 10,549,168.10
  5. Step 5: Solve for x
    x = 10,549,168.10/3,728.75
  6. Step 6: Final answer
    x = 2,829.15

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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.