Home / 3,380.70-4,668.94-2,586.90

Finding the Fourth Proportional to 3,380.70, 4,668.94 and 2,586.90

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Solution

The fourth proportional to 3,380.70, 4,668.94 and 2,586.90 is: 3,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.70 : 4,668.94 = 2,586.90 : x
  2. Step 2: Convert to fraction form
    3,380.70/4,668.94 = 2,586.90/x
  3. Step 3: Cross multiply
    3,380.70x = 4,668.94 × 2,586.90
  4. Step 4: Simplify right side
    3,380.70x = 12,078,080.89
  5. Step 5: Solve for x
    x = 12,078,080.89/3,380.70
  6. Step 6: Final answer
    x = 3,572.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.