Home / 3,554.60-5,331.50-1,089.50

Finding the Fourth Proportional to 3,554.60, 5,331.50 and 1,089.50

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Solution

The fourth proportional to 3,554.60, 5,331.50 and 1,089.50 is: 1,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.60 : 5,331.50 = 1,089.50 : x
  2. Step 2: Convert to fraction form
    3,554.60/5,331.50 = 1,089.50/x
  3. Step 3: Cross multiply
    3,554.60x = 5,331.50 × 1,089.50
  4. Step 4: Simplify right side
    3,554.60x = 5,808,669.25
  5. Step 5: Solve for x
    x = 5,808,669.25/3,554.60
  6. Step 6: Final answer
    x = 1,634.13

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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.