Home / 3,751.98-5,182.66-2,878.56

Finding the Fourth Proportional to 3,751.98, 5,182.66 and 2,878.56

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Solution

The fourth proportional to 3,751.98, 5,182.66 and 2,878.56 is: 3,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.98 : 5,182.66 = 2,878.56 : x
  2. Step 2: Convert to fraction form
    3,751.98/5,182.66 = 2,878.56/x
  3. Step 3: Cross multiply
    3,751.98x = 5,182.66 × 2,878.56
  4. Step 4: Simplify right side
    3,751.98x = 14,918,597.77
  5. Step 5: Solve for x
    x = 14,918,597.77/3,751.98
  6. Step 6: Final answer
    x = 3,976.19

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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.