Home / 3,117.50-4,676.26-1,170.62

Finding the Fourth Proportional to 3,117.50, 4,676.26 and 1,170.62

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Solution

The fourth proportional to 3,117.50, 4,676.26 and 1,170.62 is: 1,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.50 : 4,676.26 = 1,170.62 : x
  2. Step 2: Convert to fraction form
    3,117.50/4,676.26 = 1,170.62/x
  3. Step 3: Cross multiply
    3,117.50x = 4,676.26 × 1,170.62
  4. Step 4: Simplify right side
    3,117.50x = 5,474,123.48
  5. Step 5: Solve for x
    x = 5,474,123.48/3,117.50
  6. Step 6: Final answer
    x = 1,755.93

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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.