Home / 3,520.89-5,282.09-1,055.92

Finding the Fourth Proportional to 3,520.89, 5,282.09 and 1,055.92

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Solution

The fourth proportional to 3,520.89, 5,282.09 and 1,055.92 is: 1,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.89 : 5,282.09 = 1,055.92 : x
  2. Step 2: Convert to fraction form
    3,520.89/5,282.09 = 1,055.92/x
  3. Step 3: Cross multiply
    3,520.89x = 5,282.09 × 1,055.92
  4. Step 4: Simplify right side
    3,520.89x = 5,577,464.47
  5. Step 5: Solve for x
    x = 5,577,464.47/3,520.89
  6. Step 6: Final answer
    x = 1,584.11

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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.