Home / 2,486.23-3,729.38-1,025.39

Finding the Fourth Proportional to 2,486.23, 3,729.38 and 1,025.39

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Solution

The fourth proportional to 2,486.23, 3,729.38 and 1,025.39 is: 1,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.23 : 3,729.38 = 1,025.39 : x
  2. Step 2: Convert to fraction form
    2,486.23/3,729.38 = 1,025.39/x
  3. Step 3: Cross multiply
    2,486.23x = 3,729.38 × 1,025.39
  4. Step 4: Simplify right side
    2,486.23x = 3,824,073.15
  5. Step 5: Solve for x
    x = 3,824,073.15/2,486.23
  6. Step 6: Final answer
    x = 1,538.10

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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.