Home / 2,634.86-3,954.24-1,248.20

Finding the Fourth Proportional to 2,634.86, 3,954.24 and 1,248.20

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Solution

The fourth proportional to 2,634.86, 3,954.24 and 1,248.20 is: 1,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.86 : 3,954.24 = 1,248.20 : x
  2. Step 2: Convert to fraction form
    2,634.86/3,954.24 = 1,248.20/x
  3. Step 3: Cross multiply
    2,634.86x = 3,954.24 × 1,248.20
  4. Step 4: Simplify right side
    2,634.86x = 4,935,656.36
  5. Step 5: Solve for x
    x = 4,935,656.36/2,634.86
  6. Step 6: Final answer
    x = 1,873.21

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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.