Home / 3,586.72-5,372.16-2,758.90

Finding the Fourth Proportional to 3,586.72, 5,372.16 and 2,758.90

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Solution

The fourth proportional to 3,586.72, 5,372.16 and 2,758.90 is: 4,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.72 : 5,372.16 = 2,758.90 : x
  2. Step 2: Convert to fraction form
    3,586.72/5,372.16 = 2,758.90/x
  3. Step 3: Cross multiply
    3,586.72x = 5,372.16 × 2,758.90
  4. Step 4: Simplify right side
    3,586.72x = 14,821,252.22
  5. Step 5: Solve for x
    x = 14,821,252.22/3,586.72
  6. Step 6: Final answer
    x = 4,132.26

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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.