Home / 1,544.43-2,131.32-845.82

Finding the Fourth Proportional to 1,544.43, 2,131.32 and 845.82

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Solution

The fourth proportional to 1,544.43, 2,131.32 and 845.82 is: 1,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.43 : 2,131.32 = 845.82 : x
  2. Step 2: Convert to fraction form
    1,544.43/2,131.32 = 845.82/x
  3. Step 3: Cross multiply
    1,544.43x = 2,131.32 × 845.82
  4. Step 4: Simplify right side
    1,544.43x = 1,802,713.08
  5. Step 5: Solve for x
    x = 1,802,713.08/1,544.43
  6. Step 6: Final answer
    x = 1,167.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.