Home / 3,554.37-5,331.87-1,089.45

Finding the Fourth Proportional to 3,554.37, 5,331.87 and 1,089.45

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Solution

The fourth proportional to 3,554.37, 5,331.87 and 1,089.45 is: 1,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.37 : 5,331.87 = 1,089.45 : x
  2. Step 2: Convert to fraction form
    3,554.37/5,331.87 = 1,089.45/x
  3. Step 3: Cross multiply
    3,554.37x = 5,331.87 × 1,089.45
  4. Step 4: Simplify right side
    3,554.37x = 5,808,805.77
  5. Step 5: Solve for x
    x = 5,808,805.77/3,554.37
  6. Step 6: Final answer
    x = 1,634.27

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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.