Home / 3,834.65-5,290.44-2,841.59

Finding the Fourth Proportional to 3,834.65, 5,290.44 and 2,841.59

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Solution

The fourth proportional to 3,834.65, 5,290.44 and 2,841.59 is: 3,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.65 : 5,290.44 = 2,841.59 : x
  2. Step 2: Convert to fraction form
    3,834.65/5,290.44 = 2,841.59/x
  3. Step 3: Cross multiply
    3,834.65x = 5,290.44 × 2,841.59
  4. Step 4: Simplify right side
    3,834.65x = 15,033,261.40
  5. Step 5: Solve for x
    x = 15,033,261.40/3,834.65
  6. Step 6: Final answer
    x = 3,920.37

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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.