Home / 1,164.54-1,747.40-515.73

Finding the Fourth Proportional to 1,164.54, 1,747.40 and 515.73

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Solution

The fourth proportional to 1,164.54, 1,747.40 and 515.73 is: 773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.54 : 1,747.40 = 515.73 : x
  2. Step 2: Convert to fraction form
    1,164.54/1,747.40 = 515.73/x
  3. Step 3: Cross multiply
    1,164.54x = 1,747.40 × 515.73
  4. Step 4: Simplify right side
    1,164.54x = 901,186.60
  5. Step 5: Solve for x
    x = 901,186.60/1,164.54
  6. Step 6: Final answer
    x = 773.86

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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.