Home / 3,126.82-4,688.37-1,046.32

Finding the Fourth Proportional to 3,126.82, 4,688.37 and 1,046.32

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Solution

The fourth proportional to 3,126.82, 4,688.37 and 1,046.32 is: 1,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.82 : 4,688.37 = 1,046.32 : x
  2. Step 2: Convert to fraction form
    3,126.82/4,688.37 = 1,046.32/x
  3. Step 3: Cross multiply
    3,126.82x = 4,688.37 × 1,046.32
  4. Step 4: Simplify right side
    3,126.82x = 4,905,535.30
  5. Step 5: Solve for x
    x = 4,905,535.30/3,126.82
  6. Step 6: Final answer
    x = 1,568.86

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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.