Home / 3,520.06-5,281.50-1,329.42

Finding the Fourth Proportional to 3,520.06, 5,281.50 and 1,329.42

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Solution

The fourth proportional to 3,520.06, 5,281.50 and 1,329.42 is: 1,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.06 : 5,281.50 = 1,329.42 : x
  2. Step 2: Convert to fraction form
    3,520.06/5,281.50 = 1,329.42/x
  3. Step 3: Cross multiply
    3,520.06x = 5,281.50 × 1,329.42
  4. Step 4: Simplify right side
    3,520.06x = 7,021,331.73
  5. Step 5: Solve for x
    x = 7,021,331.73/3,520.06
  6. Step 6: Final answer
    x = 1,994.66

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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.