Home / 3,520.35-5,276.53-1,179.81

Finding the Fourth Proportional to 3,520.35, 5,276.53 and 1,179.81

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Solution

The fourth proportional to 3,520.35, 5,276.53 and 1,179.81 is: 1,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.35 : 5,276.53 = 1,179.81 : x
  2. Step 2: Convert to fraction form
    3,520.35/5,276.53 = 1,179.81/x
  3. Step 3: Cross multiply
    3,520.35x = 5,276.53 × 1,179.81
  4. Step 4: Simplify right side
    3,520.35x = 6,225,302.86
  5. Step 5: Solve for x
    x = 6,225,302.86/3,520.35
  6. Step 6: Final answer
    x = 1,768.38

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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.