Home / 3,525.48-5,287.68-928.62

Finding the Fourth Proportional to 3,525.48, 5,287.68 and 928.62

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Solution

The fourth proportional to 3,525.48, 5,287.68 and 928.62 is: 1,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.48 : 5,287.68 = 928.62 : x
  2. Step 2: Convert to fraction form
    3,525.48/5,287.68 = 928.62/x
  3. Step 3: Cross multiply
    3,525.48x = 5,287.68 × 928.62
  4. Step 4: Simplify right side
    3,525.48x = 4,910,245.40
  5. Step 5: Solve for x
    x = 4,910,245.40/3,525.48
  6. Step 6: Final answer
    x = 1,392.79

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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.