Home / 3,112.66-4,667.09-1,529.38

Finding the Fourth Proportional to 3,112.66, 4,667.09 and 1,529.38

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Solution

The fourth proportional to 3,112.66, 4,667.09 and 1,529.38 is: 2,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.66 : 4,667.09 = 1,529.38 : x
  2. Step 2: Convert to fraction form
    3,112.66/4,667.09 = 1,529.38/x
  3. Step 3: Cross multiply
    3,112.66x = 4,667.09 × 1,529.38
  4. Step 4: Simplify right side
    3,112.66x = 7,137,752.29
  5. Step 5: Solve for x
    x = 7,137,752.29/3,112.66
  6. Step 6: Final answer
    x = 2,293.13

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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.