Home / 3,330.86-4,996.30-1,575.28

Finding the Fourth Proportional to 3,330.86, 4,996.30 and 1,575.28

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Solution

The fourth proportional to 3,330.86, 4,996.30 and 1,575.28 is: 2,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.86 : 4,996.30 = 1,575.28 : x
  2. Step 2: Convert to fraction form
    3,330.86/4,996.30 = 1,575.28/x
  3. Step 3: Cross multiply
    3,330.86x = 4,996.30 × 1,575.28
  4. Step 4: Simplify right side
    3,330.86x = 7,870,571.46
  5. Step 5: Solve for x
    x = 7,870,571.46/3,330.86
  6. Step 6: Final answer
    x = 2,362.92

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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.