Home / 1,635.21-2,449.04-1,310.85

Finding the Fourth Proportional to 1,635.21, 2,449.04 and 1,310.85

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Solution

The fourth proportional to 1,635.21, 2,449.04 and 1,310.85 is: 1,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.21 : 2,449.04 = 1,310.85 : x
  2. Step 2: Convert to fraction form
    1,635.21/2,449.04 = 1,310.85/x
  3. Step 3: Cross multiply
    1,635.21x = 2,449.04 × 1,310.85
  4. Step 4: Simplify right side
    1,635.21x = 3,210,317.53
  5. Step 5: Solve for x
    x = 3,210,317.53/1,635.21
  6. Step 6: Final answer
    x = 1,963.24

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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.