Home / 3,018.23-4,165.14-1,691.94

Finding the Fourth Proportional to 3,018.23, 4,165.14 and 1,691.94

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Solution

The fourth proportional to 3,018.23, 4,165.14 and 1,691.94 is: 2,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.23 : 4,165.14 = 1,691.94 : x
  2. Step 2: Convert to fraction form
    3,018.23/4,165.14 = 1,691.94/x
  3. Step 3: Cross multiply
    3,018.23x = 4,165.14 × 1,691.94
  4. Step 4: Simplify right side
    3,018.23x = 7,047,166.97
  5. Step 5: Solve for x
    x = 7,047,166.97/3,018.23
  6. Step 6: Final answer
    x = 2,334.87

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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.