Home / 1,231.47-1,845.57-537.09

Finding the Fourth Proportional to 1,231.47, 1,845.57 and 537.09

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Solution

The fourth proportional to 1,231.47, 1,845.57 and 537.09 is: 804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.47 : 1,845.57 = 537.09 : x
  2. Step 2: Convert to fraction form
    1,231.47/1,845.57 = 537.09/x
  3. Step 3: Cross multiply
    1,231.47x = 1,845.57 × 537.09
  4. Step 4: Simplify right side
    1,231.47x = 991,237.19
  5. Step 5: Solve for x
    x = 991,237.19/1,231.47
  6. Step 6: Final answer
    x = 804.92

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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.