Home / 3,841.25-5,300.93-2,185.25

Finding the Fourth Proportional to 3,841.25, 5,300.93 and 2,185.25

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Solution

The fourth proportional to 3,841.25, 5,300.93 and 2,185.25 is: 3,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.25 : 5,300.93 = 2,185.25 : x
  2. Step 2: Convert to fraction form
    3,841.25/5,300.93 = 2,185.25/x
  3. Step 3: Cross multiply
    3,841.25x = 5,300.93 × 2,185.25
  4. Step 4: Simplify right side
    3,841.25x = 11,583,857.28
  5. Step 5: Solve for x
    x = 11,583,857.28/3,841.25
  6. Step 6: Final answer
    x = 3,015.65

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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.