Home / 3,606.06-5,408.70-1,140.90

Finding the Fourth Proportional to 3,606.06, 5,408.70 and 1,140.90

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Solution

The fourth proportional to 3,606.06, 5,408.70 and 1,140.90 is: 1,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.06 : 5,408.70 = 1,140.90 : x
  2. Step 2: Convert to fraction form
    3,606.06/5,408.70 = 1,140.90/x
  3. Step 3: Cross multiply
    3,606.06x = 5,408.70 × 1,140.90
  4. Step 4: Simplify right side
    3,606.06x = 6,170,785.83
  5. Step 5: Solve for x
    x = 6,170,785.83/3,606.06
  6. Step 6: Final answer
    x = 1,711.23

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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.