Home / 3,554.97-5,333.34-1,089.68

Finding the Fourth Proportional to 3,554.97, 5,333.34 and 1,089.68

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Solution

The fourth proportional to 3,554.97, 5,333.34 and 1,089.68 is: 1,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.97 : 5,333.34 = 1,089.68 : x
  2. Step 2: Convert to fraction form
    3,554.97/5,333.34 = 1,089.68/x
  3. Step 3: Cross multiply
    3,554.97x = 5,333.34 × 1,089.68
  4. Step 4: Simplify right side
    3,554.97x = 5,811,607.26
  5. Step 5: Solve for x
    x = 5,811,607.26/3,554.97
  6. Step 6: Final answer
    x = 1,634.78

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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.