Home / 3,284.10-4,921.92-1,434.69

Finding the Fourth Proportional to 3,284.10, 4,921.92 and 1,434.69

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Solution

The fourth proportional to 3,284.10, 4,921.92 and 1,434.69 is: 2,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.10 : 4,921.92 = 1,434.69 : x
  2. Step 2: Convert to fraction form
    3,284.10/4,921.92 = 1,434.69/x
  3. Step 3: Cross multiply
    3,284.10x = 4,921.92 × 1,434.69
  4. Step 4: Simplify right side
    3,284.10x = 7,061,429.40
  5. Step 5: Solve for x
    x = 7,061,429.40/3,284.10
  6. Step 6: Final answer
    x = 2,150.19

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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.