Home / 3,166.76-4,750.96-1,317.28

Finding the Fourth Proportional to 3,166.76, 4,750.96 and 1,317.28

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Solution

The fourth proportional to 3,166.76, 4,750.96 and 1,317.28 is: 1,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.76 : 4,750.96 = 1,317.28 : x
  2. Step 2: Convert to fraction form
    3,166.76/4,750.96 = 1,317.28/x
  3. Step 3: Cross multiply
    3,166.76x = 4,750.96 × 1,317.28
  4. Step 4: Simplify right side
    3,166.76x = 6,258,344.59
  5. Step 5: Solve for x
    x = 6,258,344.59/3,166.76
  6. Step 6: Final answer
    x = 1,976.26

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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.