Home / 2,408.31-3,611.95-1,406.99

Finding the Fourth Proportional to 2,408.31, 3,611.95 and 1,406.99

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Solution

The fourth proportional to 2,408.31, 3,611.95 and 1,406.99 is: 2,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.31 : 3,611.95 = 1,406.99 : x
  2. Step 2: Convert to fraction form
    2,408.31/3,611.95 = 1,406.99/x
  3. Step 3: Cross multiply
    2,408.31x = 3,611.95 × 1,406.99
  4. Step 4: Simplify right side
    2,408.31x = 5,081,977.53
  5. Step 5: Solve for x
    x = 5,081,977.53/2,408.31
  6. Step 6: Final answer
    x = 2,110.18

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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.