Home / 3,518.42-5,275.54-1,177.86

Finding the Fourth Proportional to 3,518.42, 5,275.54 and 1,177.86

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Solution

The fourth proportional to 3,518.42, 5,275.54 and 1,177.86 is: 1,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.42 : 5,275.54 = 1,177.86 : x
  2. Step 2: Convert to fraction form
    3,518.42/5,275.54 = 1,177.86/x
  3. Step 3: Cross multiply
    3,518.42x = 5,275.54 × 1,177.86
  4. Step 4: Simplify right side
    3,518.42x = 6,213,844.60
  5. Step 5: Solve for x
    x = 6,213,844.60/3,518.42
  6. Step 6: Final answer
    x = 1,766.09

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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.