Home / 3,539.82-5,312.49-2,451.81

Finding the Fourth Proportional to 3,539.82, 5,312.49 and 2,451.81

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Solution

The fourth proportional to 3,539.82, 5,312.49 and 2,451.81 is: 3,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.82 : 5,312.49 = 2,451.81 : x
  2. Step 2: Convert to fraction form
    3,539.82/5,312.49 = 2,451.81/x
  3. Step 3: Cross multiply
    3,539.82x = 5,312.49 × 2,451.81
  4. Step 4: Simplify right side
    3,539.82x = 13,025,216.11
  5. Step 5: Solve for x
    x = 13,025,216.11/3,539.82
  6. Step 6: Final answer
    x = 3,679.63

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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.