Home / 3,771.12-5,652.54-2,127.24

Finding the Fourth Proportional to 3,771.12, 5,652.54 and 2,127.24

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Solution

The fourth proportional to 3,771.12, 5,652.54 and 2,127.24 is: 3,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.12 : 5,652.54 = 2,127.24 : x
  2. Step 2: Convert to fraction form
    3,771.12/5,652.54 = 2,127.24/x
  3. Step 3: Cross multiply
    3,771.12x = 5,652.54 × 2,127.24
  4. Step 4: Simplify right side
    3,771.12x = 12,024,309.19
  5. Step 5: Solve for x
    x = 12,024,309.19/3,771.12
  6. Step 6: Final answer
    x = 3,188.52

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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.