Home / 3,360.48-4,639.56-2,166

Finding the Fourth Proportional to 3,360.48, 4,639.56 and 2,166

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Solution

The fourth proportional to 3,360.48, 4,639.56 and 2,166 is: 2,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.48 : 4,639.56 = 2,166 : x
  2. Step 2: Convert to fraction form
    3,360.48/4,639.56 = 2,166/x
  3. Step 3: Cross multiply
    3,360.48x = 4,639.56 × 2,166
  4. Step 4: Simplify right side
    3,360.48x = 10,049,286.96
  5. Step 5: Solve for x
    x = 10,049,286.96/3,360.48
  6. Step 6: Final answer
    x = 2,990.43

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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.