Home / 1,725.05-2,588.61-629.52

Finding the Fourth Proportional to 1,725.05, 2,588.61 and 629.52

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Solution

The fourth proportional to 1,725.05, 2,588.61 and 629.52 is: 944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.05 : 2,588.61 = 629.52 : x
  2. Step 2: Convert to fraction form
    1,725.05/2,588.61 = 629.52/x
  3. Step 3: Cross multiply
    1,725.05x = 2,588.61 × 629.52
  4. Step 4: Simplify right side
    1,725.05x = 1,629,585.44
  5. Step 5: Solve for x
    x = 1,629,585.44/1,725.05
  6. Step 6: Final answer
    x = 944.66

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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.