Home / 3,828.69-5,281.07-2,503.53

Finding the Fourth Proportional to 3,828.69, 5,281.07 and 2,503.53

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Solution

The fourth proportional to 3,828.69, 5,281.07 and 2,503.53 is: 3,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.69 : 5,281.07 = 2,503.53 : x
  2. Step 2: Convert to fraction form
    3,828.69/5,281.07 = 2,503.53/x
  3. Step 3: Cross multiply
    3,828.69x = 5,281.07 × 2,503.53
  4. Step 4: Simplify right side
    3,828.69x = 13,221,304.66
  5. Step 5: Solve for x
    x = 13,221,304.66/3,828.69
  6. Step 6: Final answer
    x = 3,453.22

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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.