Home / 3,105.32-4,659.48-1,373.72

Finding the Fourth Proportional to 3,105.32, 4,659.48 and 1,373.72

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Solution

The fourth proportional to 3,105.32, 4,659.48 and 1,373.72 is: 2,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.32 : 4,659.48 = 1,373.72 : x
  2. Step 2: Convert to fraction form
    3,105.32/4,659.48 = 1,373.72/x
  3. Step 3: Cross multiply
    3,105.32x = 4,659.48 × 1,373.72
  4. Step 4: Simplify right side
    3,105.32x = 6,400,820.87
  5. Step 5: Solve for x
    x = 6,400,820.87/3,105.32
  6. Step 6: Final answer
    x = 2,061.24

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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.