Home / 3,515.49-5,268.38-2,992.77

Finding the Fourth Proportional to 3,515.49, 5,268.38 and 2,992.77

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Solution

The fourth proportional to 3,515.49, 5,268.38 and 2,992.77 is: 4,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.49 : 5,268.38 = 2,992.77 : x
  2. Step 2: Convert to fraction form
    3,515.49/5,268.38 = 2,992.77/x
  3. Step 3: Cross multiply
    3,515.49x = 5,268.38 × 2,992.77
  4. Step 4: Simplify right side
    3,515.49x = 15,767,034.65
  5. Step 5: Solve for x
    x = 15,767,034.65/3,515.49
  6. Step 6: Final answer
    x = 4,485.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.