Home / 3,155.70-4,730.53-1,180.79

Finding the Fourth Proportional to 3,155.70, 4,730.53 and 1,180.79

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Solution

The fourth proportional to 3,155.70, 4,730.53 and 1,180.79 is: 1,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.70 : 4,730.53 = 1,180.79 : x
  2. Step 2: Convert to fraction form
    3,155.70/4,730.53 = 1,180.79/x
  3. Step 3: Cross multiply
    3,155.70x = 4,730.53 × 1,180.79
  4. Step 4: Simplify right side
    3,155.70x = 5,585,777.30
  5. Step 5: Solve for x
    x = 5,585,777.30/3,155.70
  6. Step 6: Final answer
    x = 1,770.06

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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.