Home / 2,625.42-3,938.26-1,065.19

Finding the Fourth Proportional to 2,625.42, 3,938.26 and 1,065.19

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Solution

The fourth proportional to 2,625.42, 3,938.26 and 1,065.19 is: 1,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.42 : 3,938.26 = 1,065.19 : x
  2. Step 2: Convert to fraction form
    2,625.42/3,938.26 = 1,065.19/x
  3. Step 3: Cross multiply
    2,625.42x = 3,938.26 × 1,065.19
  4. Step 4: Simplify right side
    2,625.42x = 4,194,975.48
  5. Step 5: Solve for x
    x = 4,194,975.48/2,625.42
  6. Step 6: Final answer
    x = 1,597.83

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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.