Home / 2,272.52-3,136.14-1,277.74

Finding the Fourth Proportional to 2,272.52, 3,136.14 and 1,277.74

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Solution

The fourth proportional to 2,272.52, 3,136.14 and 1,277.74 is: 1,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.52 : 3,136.14 = 1,277.74 : x
  2. Step 2: Convert to fraction form
    2,272.52/3,136.14 = 1,277.74/x
  3. Step 3: Cross multiply
    2,272.52x = 3,136.14 × 1,277.74
  4. Step 4: Simplify right side
    2,272.52x = 4,007,171.52
  5. Step 5: Solve for x
    x = 4,007,171.52/2,272.52
  6. Step 6: Final answer
    x = 1,763.32

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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.