Home / 3,520.79-5,281.01-1,180.83

Finding the Fourth Proportional to 3,520.79, 5,281.01 and 1,180.83

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Solution

The fourth proportional to 3,520.79, 5,281.01 and 1,180.83 is: 1,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.79 : 5,281.01 = 1,180.83 : x
  2. Step 2: Convert to fraction form
    3,520.79/5,281.01 = 1,180.83/x
  3. Step 3: Cross multiply
    3,520.79x = 5,281.01 × 1,180.83
  4. Step 4: Simplify right side
    3,520.79x = 6,235,951.59
  5. Step 5: Solve for x
    x = 6,235,951.59/3,520.79
  6. Step 6: Final answer
    x = 1,771.18

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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.