Home / 3,675.25-5,071.85-2,019.25

Finding the Fourth Proportional to 3,675.25, 5,071.85 and 2,019.25

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Solution

The fourth proportional to 3,675.25, 5,071.85 and 2,019.25 is: 2,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.25 : 5,071.85 = 2,019.25 : x
  2. Step 2: Convert to fraction form
    3,675.25/5,071.85 = 2,019.25/x
  3. Step 3: Cross multiply
    3,675.25x = 5,071.85 × 2,019.25
  4. Step 4: Simplify right side
    3,675.25x = 10,241,333.11
  5. Step 5: Solve for x
    x = 10,241,333.11/3,675.25
  6. Step 6: Final answer
    x = 2,786.57

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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.