Home / 2,772.29-3,825.74-1,513.33

Finding the Fourth Proportional to 2,772.29, 3,825.74 and 1,513.33

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Solution

The fourth proportional to 2,772.29, 3,825.74 and 1,513.33 is: 2,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.29 : 3,825.74 = 1,513.33 : x
  2. Step 2: Convert to fraction form
    2,772.29/3,825.74 = 1,513.33/x
  3. Step 3: Cross multiply
    2,772.29x = 3,825.74 × 1,513.33
  4. Step 4: Simplify right side
    2,772.29x = 5,789,607.11
  5. Step 5: Solve for x
    x = 5,789,607.11/2,772.29
  6. Step 6: Final answer
    x = 2,088.38

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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.