Home / 3,525.32-5,288.09-928.26

Finding the Fourth Proportional to 3,525.32, 5,288.09 and 928.26

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Solution

The fourth proportional to 3,525.32, 5,288.09 and 928.26 is: 1,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.32 : 5,288.09 = 928.26 : x
  2. Step 2: Convert to fraction form
    3,525.32/5,288.09 = 928.26/x
  3. Step 3: Cross multiply
    3,525.32x = 5,288.09 × 928.26
  4. Step 4: Simplify right side
    3,525.32x = 4,908,717.78
  5. Step 5: Solve for x
    x = 4,908,717.78/3,525.32
  6. Step 6: Final answer
    x = 1,392.42

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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.