Home / 3,317.40-4,965.44-1,755.20

Finding the Fourth Proportional to 3,317.40, 4,965.44 and 1,755.20

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Solution

The fourth proportional to 3,317.40, 4,965.44 and 1,755.20 is: 2,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.40 : 4,965.44 = 1,755.20 : x
  2. Step 2: Convert to fraction form
    3,317.40/4,965.44 = 1,755.20/x
  3. Step 3: Cross multiply
    3,317.40x = 4,965.44 × 1,755.20
  4. Step 4: Simplify right side
    3,317.40x = 8,715,340.29
  5. Step 5: Solve for x
    x = 8,715,340.29/3,317.40
  6. Step 6: Final answer
    x = 2,627.16

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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.