Home / 3,713.64-5,572.38-2,255.40

Finding the Fourth Proportional to 3,713.64, 5,572.38 and 2,255.40

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Solution

The fourth proportional to 3,713.64, 5,572.38 and 2,255.40 is: 3,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.64 : 5,572.38 = 2,255.40 : x
  2. Step 2: Convert to fraction form
    3,713.64/5,572.38 = 2,255.40/x
  3. Step 3: Cross multiply
    3,713.64x = 5,572.38 × 2,255.40
  4. Step 4: Simplify right side
    3,713.64x = 12,567,945.85
  5. Step 5: Solve for x
    x = 12,567,945.85/3,713.64
  6. Step 6: Final answer
    x = 3,384.27

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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.