Home / 3,837.74-5,295.85-2,842.65

Finding the Fourth Proportional to 3,837.74, 5,295.85 and 2,842.65

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Solution

The fourth proportional to 3,837.74, 5,295.85 and 2,842.65 is: 3,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.74 : 5,295.85 = 2,842.65 : x
  2. Step 2: Convert to fraction form
    3,837.74/5,295.85 = 2,842.65/x
  3. Step 3: Cross multiply
    3,837.74x = 5,295.85 × 2,842.65
  4. Step 4: Simplify right side
    3,837.74x = 15,054,240.90
  5. Step 5: Solve for x
    x = 15,054,240.90/3,837.74
  6. Step 6: Final answer
    x = 3,922.69

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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.