Home / 3,553.56-5,328.51-1,331.48

Finding the Fourth Proportional to 3,553.56, 5,328.51 and 1,331.48

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Solution

The fourth proportional to 3,553.56, 5,328.51 and 1,331.48 is: 1,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.56 : 5,328.51 = 1,331.48 : x
  2. Step 2: Convert to fraction form
    3,553.56/5,328.51 = 1,331.48/x
  3. Step 3: Cross multiply
    3,553.56x = 5,328.51 × 1,331.48
  4. Step 4: Simplify right side
    3,553.56x = 7,094,777.85
  5. Step 5: Solve for x
    x = 7,094,777.85/3,553.56
  6. Step 6: Final answer
    x = 1,996.53

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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.