Home / 2,431.16-3,642.64-1,336.44

Finding the Fourth Proportional to 2,431.16, 3,642.64 and 1,336.44

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Solution

The fourth proportional to 2,431.16, 3,642.64 and 1,336.44 is: 2,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.16 : 3,642.64 = 1,336.44 : x
  2. Step 2: Convert to fraction form
    2,431.16/3,642.64 = 1,336.44/x
  3. Step 3: Cross multiply
    2,431.16x = 3,642.64 × 1,336.44
  4. Step 4: Simplify right side
    2,431.16x = 4,868,169.80
  5. Step 5: Solve for x
    x = 4,868,169.80/2,431.16
  6. Step 6: Final answer
    x = 2,002.41

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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.