Home / 2,423.20-3,626.70-2,131.60

Finding the Fourth Proportional to 2,423.20, 3,626.70 and 2,131.60

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Solution

The fourth proportional to 2,423.20, 3,626.70 and 2,131.60 is: 3,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.20 : 3,626.70 = 2,131.60 : x
  2. Step 2: Convert to fraction form
    2,423.20/3,626.70 = 2,131.60/x
  3. Step 3: Cross multiply
    2,423.20x = 3,626.70 × 2,131.60
  4. Step 4: Simplify right side
    2,423.20x = 7,730,673.72
  5. Step 5: Solve for x
    x = 7,730,673.72/2,423.20
  6. Step 6: Final answer
    x = 3,190.27

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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.