Home / 2,272.26-3,135.72-1,277.58

Finding the Fourth Proportional to 2,272.26, 3,135.72 and 1,277.58

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Solution

The fourth proportional to 2,272.26, 3,135.72 and 1,277.58 is: 1,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.26 : 3,135.72 = 1,277.58 : x
  2. Step 2: Convert to fraction form
    2,272.26/3,135.72 = 1,277.58/x
  3. Step 3: Cross multiply
    2,272.26x = 3,135.72 × 1,277.58
  4. Step 4: Simplify right side
    2,272.26x = 4,006,133.16
  5. Step 5: Solve for x
    x = 4,006,133.16/2,272.26
  6. Step 6: Final answer
    x = 1,763.06

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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.