Home / 1,433.88-2,149.32-914.22

Finding the Fourth Proportional to 1,433.88, 2,149.32 and 914.22

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Solution

The fourth proportional to 1,433.88, 2,149.32 and 914.22 is: 1,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.88 : 2,149.32 = 914.22 : x
  2. Step 2: Convert to fraction form
    1,433.88/2,149.32 = 914.22/x
  3. Step 3: Cross multiply
    1,433.88x = 2,149.32 × 914.22
  4. Step 4: Simplify right side
    1,433.88x = 1,964,951.33
  5. Step 5: Solve for x
    x = 1,964,951.33/1,433.88
  6. Step 6: Final answer
    x = 1,370.37

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1.5x scale

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.