Home / 3,517.02-5,270.67-1,667.79

Finding the Fourth Proportional to 3,517.02, 5,270.67 and 1,667.79

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Solution

The fourth proportional to 3,517.02, 5,270.67 and 1,667.79 is: 2,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.02 : 5,270.67 = 1,667.79 : x
  2. Step 2: Convert to fraction form
    3,517.02/5,270.67 = 1,667.79/x
  3. Step 3: Cross multiply
    3,517.02x = 5,270.67 × 1,667.79
  4. Step 4: Simplify right side
    3,517.02x = 8,790,370.72
  5. Step 5: Solve for x
    x = 8,790,370.72/3,517.02
  6. Step 6: Final answer
    x = 2,499.38

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1.5x scale

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.