Home / 2,772.41-3,825.69-1,577.07

Finding the Fourth Proportional to 2,772.41, 3,825.69 and 1,577.07

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Solution

The fourth proportional to 2,772.41, 3,825.69 and 1,577.07 is: 2,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.41 : 3,825.69 = 1,577.07 : x
  2. Step 2: Convert to fraction form
    2,772.41/3,825.69 = 1,577.07/x
  3. Step 3: Cross multiply
    2,772.41x = 3,825.69 × 1,577.07
  4. Step 4: Simplify right side
    2,772.41x = 6,033,390.21
  5. Step 5: Solve for x
    x = 6,033,390.21/2,772.41
  6. Step 6: Final answer
    x = 2,176.23

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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.