Home / 3,515.15-5,270.92-1,174.31

Finding the Fourth Proportional to 3,515.15, 5,270.92 and 1,174.31

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Solution

The fourth proportional to 3,515.15, 5,270.92 and 1,174.31 is: 1,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.15 : 5,270.92 = 1,174.31 : x
  2. Step 2: Convert to fraction form
    3,515.15/5,270.92 = 1,174.31/x
  3. Step 3: Cross multiply
    3,515.15x = 5,270.92 × 1,174.31
  4. Step 4: Simplify right side
    3,515.15x = 6,189,667.71
  5. Step 5: Solve for x
    x = 6,189,667.71/3,515.15
  6. Step 6: Final answer
    x = 1,760.86

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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.