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Finding the Fourth Proportional to 2,596.18, 3,894.25 and 648.37

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Solution

The fourth proportional to 2,596.18, 3,894.25 and 648.37 is: 972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.18 : 3,894.25 = 648.37 : x
  2. Step 2: Convert to fraction form
    2,596.18/3,894.25 = 648.37/x
  3. Step 3: Cross multiply
    2,596.18x = 3,894.25 × 648.37
  4. Step 4: Simplify right side
    2,596.18x = 2,524,914.87
  5. Step 5: Solve for x
    x = 2,524,914.87/2,596.18
  6. Step 6: Final answer
    x = 972.55

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1.5x scale

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.