Home / 3,520.80-5,265.36-3,133.08

Finding the Fourth Proportional to 3,520.80, 5,265.36 and 3,133.08

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Solution

The fourth proportional to 3,520.80, 5,265.36 and 3,133.08 is: 4,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.80 : 5,265.36 = 3,133.08 : x
  2. Step 2: Convert to fraction form
    3,520.80/5,265.36 = 3,133.08/x
  3. Step 3: Cross multiply
    3,520.80x = 5,265.36 × 3,133.08
  4. Step 4: Simplify right side
    3,520.80x = 16,496,794.11
  5. Step 5: Solve for x
    x = 16,496,794.11/3,520.80
  6. Step 6: Final answer
    x = 4,685.52

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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.