Home / 3,103.60-4,651.26-1,153.84

Finding the Fourth Proportional to 3,103.60, 4,651.26 and 1,153.84

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Solution

The fourth proportional to 3,103.60, 4,651.26 and 1,153.84 is: 1,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.60 : 4,651.26 = 1,153.84 : x
  2. Step 2: Convert to fraction form
    3,103.60/4,651.26 = 1,153.84/x
  3. Step 3: Cross multiply
    3,103.60x = 4,651.26 × 1,153.84
  4. Step 4: Simplify right side
    3,103.60x = 5,366,809.84
  5. Step 5: Solve for x
    x = 5,366,809.84/3,103.60
  6. Step 6: Final answer
    x = 1,729.22

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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.