Home / 3,761.53-5,188.34-2,580.55

Finding the Fourth Proportional to 3,761.53, 5,188.34 and 2,580.55

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Solution

The fourth proportional to 3,761.53, 5,188.34 and 2,580.55 is: 3,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.53 : 5,188.34 = 2,580.55 : x
  2. Step 2: Convert to fraction form
    3,761.53/5,188.34 = 2,580.55/x
  3. Step 3: Cross multiply
    3,761.53x = 5,188.34 × 2,580.55
  4. Step 4: Simplify right side
    3,761.53x = 13,388,731.94
  5. Step 5: Solve for x
    x = 13,388,731.94/3,761.53
  6. Step 6: Final answer
    x = 3,559.39

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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.