Home / 3,133.15-4,699.96-1,491.28

Finding the Fourth Proportional to 3,133.15, 4,699.96 and 1,491.28

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Solution

The fourth proportional to 3,133.15, 4,699.96 and 1,491.28 is: 2,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.15 : 4,699.96 = 1,491.28 : x
  2. Step 2: Convert to fraction form
    3,133.15/4,699.96 = 1,491.28/x
  3. Step 3: Cross multiply
    3,133.15x = 4,699.96 × 1,491.28
  4. Step 4: Simplify right side
    3,133.15x = 7,008,940.87
  5. Step 5: Solve for x
    x = 7,008,940.87/3,133.15
  6. Step 6: Final answer
    x = 2,237.03

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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.