Home / 3,018.34-4,165.10-1,691.83

Finding the Fourth Proportional to 3,018.34, 4,165.10 and 1,691.83

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Solution

The fourth proportional to 3,018.34, 4,165.10 and 1,691.83 is: 2,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.34 : 4,165.10 = 1,691.83 : x
  2. Step 2: Convert to fraction form
    3,018.34/4,165.10 = 1,691.83/x
  3. Step 3: Cross multiply
    3,018.34x = 4,165.10 × 1,691.83
  4. Step 4: Simplify right side
    3,018.34x = 7,046,632.67
  5. Step 5: Solve for x
    x = 7,046,632.67/3,018.34
  6. Step 6: Final answer
    x = 2,334.61

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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.