Home / 3,632.68-5,015.91-2,792.05

Finding the Fourth Proportional to 3,632.68, 5,015.91 and 2,792.05

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Solution

The fourth proportional to 3,632.68, 5,015.91 and 2,792.05 is: 3,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.68 : 5,015.91 = 2,792.05 : x
  2. Step 2: Convert to fraction form
    3,632.68/5,015.91 = 2,792.05/x
  3. Step 3: Cross multiply
    3,632.68x = 5,015.91 × 2,792.05
  4. Step 4: Simplify right side
    3,632.68x = 14,004,671.52
  5. Step 5: Solve for x
    x = 14,004,671.52/3,632.68
  6. Step 6: Final answer
    x = 3,855.19

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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.