Home / 3,836.54-5,751.93-1,985.18

Finding the Fourth Proportional to 3,836.54, 5,751.93 and 1,985.18

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Solution

The fourth proportional to 3,836.54, 5,751.93 and 1,985.18 is: 2,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.54 : 5,751.93 = 1,985.18 : x
  2. Step 2: Convert to fraction form
    3,836.54/5,751.93 = 1,985.18/x
  3. Step 3: Cross multiply
    3,836.54x = 5,751.93 × 1,985.18
  4. Step 4: Simplify right side
    3,836.54x = 11,418,616.40
  5. Step 5: Solve for x
    x = 11,418,616.40/3,836.54
  6. Step 6: Final answer
    x = 2,976.28

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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.