Home / 3,527.12-5,285.20-1,334.66

Finding the Fourth Proportional to 3,527.12, 5,285.20 and 1,334.66

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Solution

The fourth proportional to 3,527.12, 5,285.20 and 1,334.66 is: 1,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.12 : 5,285.20 = 1,334.66 : x
  2. Step 2: Convert to fraction form
    3,527.12/5,285.20 = 1,334.66/x
  3. Step 3: Cross multiply
    3,527.12x = 5,285.20 × 1,334.66
  4. Step 4: Simplify right side
    3,527.12x = 7,053,945.03
  5. Step 5: Solve for x
    x = 7,053,945.03/3,527.12
  6. Step 6: Final answer
    x = 1,999.92

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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.