Home / 3,081.32-4,623.48-1,349.72

Finding the Fourth Proportional to 3,081.32, 4,623.48 and 1,349.72

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Solution

The fourth proportional to 3,081.32, 4,623.48 and 1,349.72 is: 2,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.32 : 4,623.48 = 1,349.72 : x
  2. Step 2: Convert to fraction form
    3,081.32/4,623.48 = 1,349.72/x
  3. Step 3: Cross multiply
    3,081.32x = 4,623.48 × 1,349.72
  4. Step 4: Simplify right side
    3,081.32x = 6,240,403.43
  5. Step 5: Solve for x
    x = 6,240,403.43/3,081.32
  6. Step 6: Final answer
    x = 2,025.24

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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.