Home / 3,018.32-4,164-2,134.88

Finding the Fourth Proportional to 3,018.32, 4,164 and 2,134.88

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Solution

The fourth proportional to 3,018.32, 4,164 and 2,134.88 is: 2,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.32 : 4,164 = 2,134.88 : x
  2. Step 2: Convert to fraction form
    3,018.32/4,164 = 2,134.88/x
  3. Step 3: Cross multiply
    3,018.32x = 4,164 × 2,134.88
  4. Step 4: Simplify right side
    3,018.32x = 8,889,640.32
  5. Step 5: Solve for x
    x = 8,889,640.32/3,018.32
  6. Step 6: Final answer
    x = 2,945.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.