Home / 1,747.58-2,615.69-1,285.24

Finding the Fourth Proportional to 1,747.58, 2,615.69 and 1,285.24

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Solution

The fourth proportional to 1,747.58, 2,615.69 and 1,285.24 is: 1,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.58 : 2,615.69 = 1,285.24 : x
  2. Step 2: Convert to fraction form
    1,747.58/2,615.69 = 1,285.24/x
  3. Step 3: Cross multiply
    1,747.58x = 2,615.69 × 1,285.24
  4. Step 4: Simplify right side
    1,747.58x = 3,361,789.42
  5. Step 5: Solve for x
    x = 3,361,789.42/1,747.58
  6. Step 6: Final answer
    x = 1,923.68

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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.