Home / 3,554.81-5,330.57-1,331.99

Finding the Fourth Proportional to 3,554.81, 5,330.57 and 1,331.99

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Solution

The fourth proportional to 3,554.81, 5,330.57 and 1,331.99 is: 1,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.81 : 5,330.57 = 1,331.99 : x
  2. Step 2: Convert to fraction form
    3,554.81/5,330.57 = 1,331.99/x
  3. Step 3: Cross multiply
    3,554.81x = 5,330.57 × 1,331.99
  4. Step 4: Simplify right side
    3,554.81x = 7,100,265.93
  5. Step 5: Solve for x
    x = 7,100,265.93/3,554.81
  6. Step 6: Final answer
    x = 1,997.37

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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.