Home / 2,272.52-3,136.19-1,277.98

Finding the Fourth Proportional to 2,272.52, 3,136.19 and 1,277.98

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Solution

The fourth proportional to 2,272.52, 3,136.19 and 1,277.98 is: 1,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.52 : 3,136.19 = 1,277.98 : x
  2. Step 2: Convert to fraction form
    2,272.52/3,136.19 = 1,277.98/x
  3. Step 3: Cross multiply
    2,272.52x = 3,136.19 × 1,277.98
  4. Step 4: Simplify right side
    2,272.52x = 4,007,973.87
  5. Step 5: Solve for x
    x = 4,007,973.87/2,272.52
  6. Step 6: Final answer
    x = 1,763.67

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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.