Home / 3,360.42-4,639.45-2,165.83

Finding the Fourth Proportional to 3,360.42, 4,639.45 and 2,165.83

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Solution

The fourth proportional to 3,360.42, 4,639.45 and 2,165.83 is: 2,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.42 : 4,639.45 = 2,165.83 : x
  2. Step 2: Convert to fraction form
    3,360.42/4,639.45 = 2,165.83/x
  3. Step 3: Cross multiply
    3,360.42x = 4,639.45 × 2,165.83
  4. Step 4: Simplify right side
    3,360.42x = 10,048,236.80
  5. Step 5: Solve for x
    x = 10,048,236.80/3,360.42
  6. Step 6: Final answer
    x = 2,990.18

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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.