Home / 3,557.89-5,334.06-2,170.98

Finding the Fourth Proportional to 3,557.89, 5,334.06 and 2,170.98

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Solution

The fourth proportional to 3,557.89, 5,334.06 and 2,170.98 is: 3,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.89 : 5,334.06 = 2,170.98 : x
  2. Step 2: Convert to fraction form
    3,557.89/5,334.06 = 2,170.98/x
  3. Step 3: Cross multiply
    3,557.89x = 5,334.06 × 2,170.98
  4. Step 4: Simplify right side
    3,557.89x = 11,580,137.58
  5. Step 5: Solve for x
    x = 11,580,137.58/3,557.89
  6. Step 6: Final answer
    x = 3,254.78

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1.5x scale

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.