Home / 3,330.12-4,995.05-1,355.66

Finding the Fourth Proportional to 3,330.12, 4,995.05 and 1,355.66

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Solution

The fourth proportional to 3,330.12, 4,995.05 and 1,355.66 is: 2,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.12 : 4,995.05 = 1,355.66 : x
  2. Step 2: Convert to fraction form
    3,330.12/4,995.05 = 1,355.66/x
  3. Step 3: Cross multiply
    3,330.12x = 4,995.05 × 1,355.66
  4. Step 4: Simplify right side
    3,330.12x = 6,771,557.73
  5. Step 5: Solve for x
    x = 6,771,557.73/3,330.12
  6. Step 6: Final answer
    x = 2,033.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.