Home / 3,330.91-4,992.90-1,355.69

Finding the Fourth Proportional to 3,330.91, 4,992.90 and 1,355.69

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Solution

The fourth proportional to 3,330.91, 4,992.90 and 1,355.69 is: 2,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.91 : 4,992.90 = 1,355.69 : x
  2. Step 2: Convert to fraction form
    3,330.91/4,992.90 = 1,355.69/x
  3. Step 3: Cross multiply
    3,330.91x = 4,992.90 × 1,355.69
  4. Step 4: Simplify right side
    3,330.91x = 6,768,832.00
  5. Step 5: Solve for x
    x = 6,768,832.00/3,330.91
  6. Step 6: Final answer
    x = 2,032.13

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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.