Home / 2,772.51-3,825.95-1,513.54

Finding the Fourth Proportional to 2,772.51, 3,825.95 and 1,513.54

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Solution

The fourth proportional to 2,772.51, 3,825.95 and 1,513.54 is: 2,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.51 : 3,825.95 = 1,513.54 : x
  2. Step 2: Convert to fraction form
    2,772.51/3,825.95 = 1,513.54/x
  3. Step 3: Cross multiply
    2,772.51x = 3,825.95 × 1,513.54
  4. Step 4: Simplify right side
    2,772.51x = 5,790,711.23
  5. Step 5: Solve for x
    x = 5,790,711.23/2,772.51
  6. Step 6: Final answer
    x = 2,088.62

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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.