Home / 1,433.08-2,150.70-1,147.96

Finding the Fourth Proportional to 1,433.08, 2,150.70 and 1,147.96

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Solution

The fourth proportional to 1,433.08, 2,150.70 and 1,147.96 is: 1,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.08 : 2,150.70 = 1,147.96 : x
  2. Step 2: Convert to fraction form
    1,433.08/2,150.70 = 1,147.96/x
  3. Step 3: Cross multiply
    1,433.08x = 2,150.70 × 1,147.96
  4. Step 4: Simplify right side
    1,433.08x = 2,468,917.57
  5. Step 5: Solve for x
    x = 2,468,917.57/1,433.08
  6. Step 6: Final answer
    x = 1,722.81

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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.