Home / 2,486.21-3,731.02-1,025.35

Finding the Fourth Proportional to 2,486.21, 3,731.02 and 1,025.35

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Solution

The fourth proportional to 2,486.21, 3,731.02 and 1,025.35 is: 1,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.21 : 3,731.02 = 1,025.35 : x
  2. Step 2: Convert to fraction form
    2,486.21/3,731.02 = 1,025.35/x
  3. Step 3: Cross multiply
    2,486.21x = 3,731.02 × 1,025.35
  4. Step 4: Simplify right side
    2,486.21x = 3,825,601.36
  5. Step 5: Solve for x
    x = 3,825,601.36/2,486.21
  6. Step 6: Final answer
    x = 1,538.73

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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.