Home / 1,724.88-2,588.67-629.94

Finding the Fourth Proportional to 1,724.88, 2,588.67 and 629.94

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Solution

The fourth proportional to 1,724.88, 2,588.67 and 629.94 is: 945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.88 : 2,588.67 = 629.94 : x
  2. Step 2: Convert to fraction form
    1,724.88/2,588.67 = 629.94/x
  3. Step 3: Cross multiply
    1,724.88x = 2,588.67 × 629.94
  4. Step 4: Simplify right side
    1,724.88x = 1,630,706.78
  5. Step 5: Solve for x
    x = 1,630,706.78/1,724.88
  6. Step 6: Final answer
    x = 945.40

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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.