Home / 3,423.58-5,132.24-1,231.80

Finding the Fourth Proportional to 3,423.58, 5,132.24 and 1,231.80

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Solution

The fourth proportional to 3,423.58, 5,132.24 and 1,231.80 is: 1,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.58 : 5,132.24 = 1,231.80 : x
  2. Step 2: Convert to fraction form
    3,423.58/5,132.24 = 1,231.80/x
  3. Step 3: Cross multiply
    3,423.58x = 5,132.24 × 1,231.80
  4. Step 4: Simplify right side
    3,423.58x = 6,321,887.07
  5. Step 5: Solve for x
    x = 6,321,887.07/3,423.58
  6. Step 6: Final answer
    x = 1,846.57

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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.