Home / 2,979.09-4,110.08-1,799.73

Finding the Fourth Proportional to 2,979.09, 4,110.08 and 1,799.73

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Solution

The fourth proportional to 2,979.09, 4,110.08 and 1,799.73 is: 2,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.09 : 4,110.08 = 1,799.73 : x
  2. Step 2: Convert to fraction form
    2,979.09/4,110.08 = 1,799.73/x
  3. Step 3: Cross multiply
    2,979.09x = 4,110.08 × 1,799.73
  4. Step 4: Simplify right side
    2,979.09x = 7,397,025.28
  5. Step 5: Solve for x
    x = 7,397,025.28/2,979.09
  6. Step 6: Final answer
    x = 2,482.98

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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.