Home / 3,521.80-5,282.90-1,182.12

Finding the Fourth Proportional to 3,521.80, 5,282.90 and 1,182.12

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Solution

The fourth proportional to 3,521.80, 5,282.90 and 1,182.12 is: 1,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.80 : 5,282.90 = 1,182.12 : x
  2. Step 2: Convert to fraction form
    3,521.80/5,282.90 = 1,182.12/x
  3. Step 3: Cross multiply
    3,521.80x = 5,282.90 × 1,182.12
  4. Step 4: Simplify right side
    3,521.80x = 6,245,021.75
  5. Step 5: Solve for x
    x = 6,245,021.75/3,521.80
  6. Step 6: Final answer
    x = 1,773.25

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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.