Home / 3,716.24-5,575.96-1,408.40

Finding the Fourth Proportional to 3,716.24, 5,575.96 and 1,408.40

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Solution

The fourth proportional to 3,716.24, 5,575.96 and 1,408.40 is: 2,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.24 : 5,575.96 = 1,408.40 : x
  2. Step 2: Convert to fraction form
    3,716.24/5,575.96 = 1,408.40/x
  3. Step 3: Cross multiply
    3,716.24x = 5,575.96 × 1,408.40
  4. Step 4: Simplify right side
    3,716.24x = 7,853,182.06
  5. Step 5: Solve for x
    x = 7,853,182.06/3,716.24
  6. Step 6: Final answer
    x = 2,113.21

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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.