Home / 3,554.57-5,331.86-1,089.39

Finding the Fourth Proportional to 3,554.57, 5,331.86 and 1,089.39

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Solution

The fourth proportional to 3,554.57, 5,331.86 and 1,089.39 is: 1,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.57 : 5,331.86 = 1,089.39 : x
  2. Step 2: Convert to fraction form
    3,554.57/5,331.86 = 1,089.39/x
  3. Step 3: Cross multiply
    3,554.57x = 5,331.86 × 1,089.39
  4. Step 4: Simplify right side
    3,554.57x = 5,808,477.69
  5. Step 5: Solve for x
    x = 5,808,477.69/3,554.57
  6. Step 6: Final answer
    x = 1,634.09

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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.