Home / 2,635.36-3,954.18-1,249.68

Finding the Fourth Proportional to 2,635.36, 3,954.18 and 1,249.68

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Solution

The fourth proportional to 2,635.36, 3,954.18 and 1,249.68 is: 1,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.36 : 3,954.18 = 1,249.68 : x
  2. Step 2: Convert to fraction form
    2,635.36/3,954.18 = 1,249.68/x
  3. Step 3: Cross multiply
    2,635.36x = 3,954.18 × 1,249.68
  4. Step 4: Simplify right side
    2,635.36x = 4,941,459.66
  5. Step 5: Solve for x
    x = 4,941,459.66/2,635.36
  6. Step 6: Final answer
    x = 1,875.06

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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.