Home / 3,989.55-5,508.06-2,573.94

Finding the Fourth Proportional to 3,989.55, 5,508.06 and 2,573.94

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Solution

The fourth proportional to 3,989.55, 5,508.06 and 2,573.94 is: 3,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.55 : 5,508.06 = 2,573.94 : x
  2. Step 2: Convert to fraction form
    3,989.55/5,508.06 = 2,573.94/x
  3. Step 3: Cross multiply
    3,989.55x = 5,508.06 × 2,573.94
  4. Step 4: Simplify right side
    3,989.55x = 14,177,415.96
  5. Step 5: Solve for x
    x = 14,177,415.96/3,989.55
  6. Step 6: Final answer
    x = 3,553.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.