Home / 3,455.06-5,180.70-2,360.75

Finding the Fourth Proportional to 3,455.06, 5,180.70 and 2,360.75

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Solution

The fourth proportional to 3,455.06, 5,180.70 and 2,360.75 is: 3,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.06 : 5,180.70 = 2,360.75 : x
  2. Step 2: Convert to fraction form
    3,455.06/5,180.70 = 2,360.75/x
  3. Step 3: Cross multiply
    3,455.06x = 5,180.70 × 2,360.75
  4. Step 4: Simplify right side
    3,455.06x = 12,230,337.53
  5. Step 5: Solve for x
    x = 12,230,337.53/3,455.06
  6. Step 6: Final answer
    x = 3,539.83

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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.