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Finding the Fourth Proportional to 2,573.71, 3,860.58 and 625.91

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Solution

The fourth proportional to 2,573.71, 3,860.58 and 625.91 is: 938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.71 : 3,860.58 = 625.91 : x
  2. Step 2: Convert to fraction form
    2,573.71/3,860.58 = 625.91/x
  3. Step 3: Cross multiply
    2,573.71x = 3,860.58 × 625.91
  4. Step 4: Simplify right side
    2,573.71x = 2,416,375.63
  5. Step 5: Solve for x
    x = 2,416,375.63/2,573.71
  6. Step 6: Final answer
    x = 938.87

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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.