Home / 1,251.99-1,868.94-1,137.24

Finding the Fourth Proportional to 1,251.99, 1,868.94 and 1,137.24

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Solution

The fourth proportional to 1,251.99, 1,868.94 and 1,137.24 is: 1,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.99 : 1,868.94 = 1,137.24 : x
  2. Step 2: Convert to fraction form
    1,251.99/1,868.94 = 1,137.24/x
  3. Step 3: Cross multiply
    1,251.99x = 1,868.94 × 1,137.24
  4. Step 4: Simplify right side
    1,251.99x = 2,125,433.33
  5. Step 5: Solve for x
    x = 2,125,433.33/1,251.99
  6. Step 6: Final answer
    x = 1,697.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.