Home / 3,255.76-4,491.10-1,929.24

Finding the Fourth Proportional to 3,255.76, 4,491.10 and 1,929.24

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Solution

The fourth proportional to 3,255.76, 4,491.10 and 1,929.24 is: 2,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.76 : 4,491.10 = 1,929.24 : x
  2. Step 2: Convert to fraction form
    3,255.76/4,491.10 = 1,929.24/x
  3. Step 3: Cross multiply
    3,255.76x = 4,491.10 × 1,929.24
  4. Step 4: Simplify right side
    3,255.76x = 8,664,409.76
  5. Step 5: Solve for x
    x = 8,664,409.76/3,255.76
  6. Step 6: Final answer
    x = 2,661.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.