Home / 2,975.08-4,105.95-1,796.15

Finding the Fourth Proportional to 2,975.08, 4,105.95 and 1,796.15

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Solution

The fourth proportional to 2,975.08, 4,105.95 and 1,796.15 is: 2,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.08 : 4,105.95 = 1,796.15 : x
  2. Step 2: Convert to fraction form
    2,975.08/4,105.95 = 1,796.15/x
  3. Step 3: Cross multiply
    2,975.08x = 4,105.95 × 1,796.15
  4. Step 4: Simplify right side
    2,975.08x = 7,374,902.09
  5. Step 5: Solve for x
    x = 7,374,902.09/2,975.08
  6. Step 6: Final answer
    x = 2,478.89

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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.