Home / 2,772.26-3,825.70-1,530.26

Finding the Fourth Proportional to 2,772.26, 3,825.70 and 1,530.26

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Solution

The fourth proportional to 2,772.26, 3,825.70 and 1,530.26 is: 2,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.26 : 3,825.70 = 1,530.26 : x
  2. Step 2: Convert to fraction form
    2,772.26/3,825.70 = 1,530.26/x
  3. Step 3: Cross multiply
    2,772.26x = 3,825.70 × 1,530.26
  4. Step 4: Simplify right side
    2,772.26x = 5,854,315.68
  5. Step 5: Solve for x
    x = 5,854,315.68/2,772.26
  6. Step 6: Final answer
    x = 2,111.75

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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.