Home / 3,018.08-4,164.68-1,691.91

Finding the Fourth Proportional to 3,018.08, 4,164.68 and 1,691.91

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Solution

The fourth proportional to 3,018.08, 4,164.68 and 1,691.91 is: 2,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.08 : 4,164.68 = 1,691.91 : x
  2. Step 2: Convert to fraction form
    3,018.08/4,164.68 = 1,691.91/x
  3. Step 3: Cross multiply
    3,018.08x = 4,164.68 × 1,691.91
  4. Step 4: Simplify right side
    3,018.08x = 7,046,267.97
  5. Step 5: Solve for x
    x = 7,046,267.97/3,018.08
  6. Step 6: Final answer
    x = 2,334.68

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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.