Home / 3,554.30-5,331.26-1,089.12

Finding the Fourth Proportional to 3,554.30, 5,331.26 and 1,089.12

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Solution

The fourth proportional to 3,554.30, 5,331.26 and 1,089.12 is: 1,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.30 : 5,331.26 = 1,089.12 : x
  2. Step 2: Convert to fraction form
    3,554.30/5,331.26 = 1,089.12/x
  3. Step 3: Cross multiply
    3,554.30x = 5,331.26 × 1,089.12
  4. Step 4: Simplify right side
    3,554.30x = 5,806,381.89
  5. Step 5: Solve for x
    x = 5,806,381.89/3,554.30
  6. Step 6: Final answer
    x = 1,633.62

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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.