Home / 2,772.48-3,825.97-1,513.53

Finding the Fourth Proportional to 2,772.48, 3,825.97 and 1,513.53

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Solution

The fourth proportional to 2,772.48, 3,825.97 and 1,513.53 is: 2,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.48 : 3,825.97 = 1,513.53 : x
  2. Step 2: Convert to fraction form
    2,772.48/3,825.97 = 1,513.53/x
  3. Step 3: Cross multiply
    2,772.48x = 3,825.97 × 1,513.53
  4. Step 4: Simplify right side
    2,772.48x = 5,790,727.35
  5. Step 5: Solve for x
    x = 5,790,727.35/2,772.48
  6. Step 6: Final answer
    x = 2,088.64

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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.