Home / 1,725.67-2,586.95-629.26

Finding the Fourth Proportional to 1,725.67, 2,586.95 and 629.26

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Solution

The fourth proportional to 1,725.67, 2,586.95 and 629.26 is: 943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.67 : 2,586.95 = 629.26 : x
  2. Step 2: Convert to fraction form
    1,725.67/2,586.95 = 629.26/x
  3. Step 3: Cross multiply
    1,725.67x = 2,586.95 × 629.26
  4. Step 4: Simplify right side
    1,725.67x = 1,627,854.54
  5. Step 5: Solve for x
    x = 1,627,854.54/1,725.67
  6. Step 6: Final answer
    x = 943.32

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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.