Home / 1,725.34-2,588.54-629.80

Finding the Fourth Proportional to 1,725.34, 2,588.54 and 629.80

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Solution

The fourth proportional to 1,725.34, 2,588.54 and 629.80 is: 944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.34 : 2,588.54 = 629.80 : x
  2. Step 2: Convert to fraction form
    1,725.34/2,588.54 = 629.80/x
  3. Step 3: Cross multiply
    1,725.34x = 2,588.54 × 629.80
  4. Step 4: Simplify right side
    1,725.34x = 1,630,262.49
  5. Step 5: Solve for x
    x = 1,630,262.49/1,725.34
  6. Step 6: Final answer
    x = 944.89

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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.