Home / 3,180.53-4,765.94-1,618.19

Finding the Fourth Proportional to 3,180.53, 4,765.94 and 1,618.19

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Solution

The fourth proportional to 3,180.53, 4,765.94 and 1,618.19 is: 2,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.53 : 4,765.94 = 1,618.19 : x
  2. Step 2: Convert to fraction form
    3,180.53/4,765.94 = 1,618.19/x
  3. Step 3: Cross multiply
    3,180.53x = 4,765.94 × 1,618.19
  4. Step 4: Simplify right side
    3,180.53x = 7,712,196.45
  5. Step 5: Solve for x
    x = 7,712,196.45/3,180.53
  6. Step 6: Final answer
    x = 2,424.81

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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.