Home / 3,585.72-5,370.66-2,757.90

Finding the Fourth Proportional to 3,585.72, 5,370.66 and 2,757.90

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Solution

The fourth proportional to 3,585.72, 5,370.66 and 2,757.90 is: 4,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.72 : 5,370.66 = 2,757.90 : x
  2. Step 2: Convert to fraction form
    3,585.72/5,370.66 = 2,757.90/x
  3. Step 3: Cross multiply
    3,585.72x = 5,370.66 × 2,757.90
  4. Step 4: Simplify right side
    3,585.72x = 14,811,743.21
  5. Step 5: Solve for x
    x = 14,811,743.21/3,585.72
  6. Step 6: Final answer
    x = 4,130.76

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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.