Home / 1,277.24-1,914.85-1,174.73

Finding the Fourth Proportional to 1,277.24, 1,914.85 and 1,174.73

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Solution

The fourth proportional to 1,277.24, 1,914.85 and 1,174.73 is: 1,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277.24 : 1,914.85 = 1,174.73 : x
  2. Step 2: Convert to fraction form
    1,277.24/1,914.85 = 1,174.73/x
  3. Step 3: Cross multiply
    1,277.24x = 1,914.85 × 1,174.73
  4. Step 4: Simplify right side
    1,277.24x = 2,249,431.39
  5. Step 5: Solve for x
    x = 2,249,431.39/1,277.24
  6. Step 6: Final answer
    x = 1,761.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.