Home / 3,525.08-5,287.20-928.22

Finding the Fourth Proportional to 3,525.08, 5,287.20 and 928.22

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Solution

The fourth proportional to 3,525.08, 5,287.20 and 928.22 is: 1,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.08 : 5,287.20 = 928.22 : x
  2. Step 2: Convert to fraction form
    3,525.08/5,287.20 = 928.22/x
  3. Step 3: Cross multiply
    3,525.08x = 5,287.20 × 928.22
  4. Step 4: Simplify right side
    3,525.08x = 4,907,680.14
  5. Step 5: Solve for x
    x = 4,907,680.14/3,525.08
  6. Step 6: Final answer
    x = 1,392.22

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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.