Home / 3,108.32-4,661.30-1,027.70

Finding the Fourth Proportional to 3,108.32, 4,661.30 and 1,027.70

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Solution

The fourth proportional to 3,108.32, 4,661.30 and 1,027.70 is: 1,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.32 : 4,661.30 = 1,027.70 : x
  2. Step 2: Convert to fraction form
    3,108.32/4,661.30 = 1,027.70/x
  3. Step 3: Cross multiply
    3,108.32x = 4,661.30 × 1,027.70
  4. Step 4: Simplify right side
    3,108.32x = 4,790,418.01
  5. Step 5: Solve for x
    x = 4,790,418.01/3,108.32
  6. Step 6: Final answer
    x = 1,541.16

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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.