Home / 2,539.45-3,806.59-1,153.77

Finding the Fourth Proportional to 2,539.45, 3,806.59 and 1,153.77

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Solution

The fourth proportional to 2,539.45, 3,806.59 and 1,153.77 is: 1,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.45 : 3,806.59 = 1,153.77 : x
  2. Step 2: Convert to fraction form
    2,539.45/3,806.59 = 1,153.77/x
  3. Step 3: Cross multiply
    2,539.45x = 3,806.59 × 1,153.77
  4. Step 4: Simplify right side
    2,539.45x = 4,391,904.54
  5. Step 5: Solve for x
    x = 4,391,904.54/2,539.45
  6. Step 6: Final answer
    x = 1,729.47

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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.