Home / 2,486.16-3,729.28-1,025.44

Finding the Fourth Proportional to 2,486.16, 3,729.28 and 1,025.44

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Solution

The fourth proportional to 2,486.16, 3,729.28 and 1,025.44 is: 1,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.16 : 3,729.28 = 1,025.44 : x
  2. Step 2: Convert to fraction form
    2,486.16/3,729.28 = 1,025.44/x
  3. Step 3: Cross multiply
    2,486.16x = 3,729.28 × 1,025.44
  4. Step 4: Simplify right side
    2,486.16x = 3,824,152.88
  5. Step 5: Solve for x
    x = 3,824,152.88/2,486.16
  6. Step 6: Final answer
    x = 1,538.18

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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.