Home / 1,861.07-2,791.49-1,037.49

Finding the Fourth Proportional to 1,861.07, 2,791.49 and 1,037.49

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Solution

The fourth proportional to 1,861.07, 2,791.49 and 1,037.49 is: 1,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.07 : 2,791.49 = 1,037.49 : x
  2. Step 2: Convert to fraction form
    1,861.07/2,791.49 = 1,037.49/x
  3. Step 3: Cross multiply
    1,861.07x = 2,791.49 × 1,037.49
  4. Step 4: Simplify right side
    1,861.07x = 2,896,137.77
  5. Step 5: Solve for x
    x = 2,896,137.77/1,861.07
  6. Step 6: Final answer
    x = 1,556.17

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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.