Home / 3,018.14-4,165.20-1,691.92

Finding the Fourth Proportional to 3,018.14, 4,165.20 and 1,691.92

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Solution

The fourth proportional to 3,018.14, 4,165.20 and 1,691.92 is: 2,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.14 : 4,165.20 = 1,691.92 : x
  2. Step 2: Convert to fraction form
    3,018.14/4,165.20 = 1,691.92/x
  3. Step 3: Cross multiply
    3,018.14x = 4,165.20 × 1,691.92
  4. Step 4: Simplify right side
    3,018.14x = 7,047,185.18
  5. Step 5: Solve for x
    x = 7,047,185.18/3,018.14
  6. Step 6: Final answer
    x = 2,334.94

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1.5x scale

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.