Home / 3,176.16-4,763.82-1,531.32

Finding the Fourth Proportional to 3,176.16, 4,763.82 and 1,531.32

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Solution

The fourth proportional to 3,176.16, 4,763.82 and 1,531.32 is: 2,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.16 : 4,763.82 = 1,531.32 : x
  2. Step 2: Convert to fraction form
    3,176.16/4,763.82 = 1,531.32/x
  3. Step 3: Cross multiply
    3,176.16x = 4,763.82 × 1,531.32
  4. Step 4: Simplify right side
    3,176.16x = 7,294,932.84
  5. Step 5: Solve for x
    x = 7,294,932.84/3,176.16
  6. Step 6: Final answer
    x = 2,296.78

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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.