Home / 3,749.09-5,624.18-1,408.74

Finding the Fourth Proportional to 3,749.09, 5,624.18 and 1,408.74

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Solution

The fourth proportional to 3,749.09, 5,624.18 and 1,408.74 is: 2,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.09 : 5,624.18 = 1,408.74 : x
  2. Step 2: Convert to fraction form
    3,749.09/5,624.18 = 1,408.74/x
  3. Step 3: Cross multiply
    3,749.09x = 5,624.18 × 1,408.74
  4. Step 4: Simplify right side
    3,749.09x = 7,923,024.04
  5. Step 5: Solve for x
    x = 7,923,024.04/3,749.09
  6. Step 6: Final answer
    x = 2,113.32

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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.