Home / 3,423.45-5,132.13-1,231.59

Finding the Fourth Proportional to 3,423.45, 5,132.13 and 1,231.59

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Solution

The fourth proportional to 3,423.45, 5,132.13 and 1,231.59 is: 1,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.45 : 5,132.13 = 1,231.59 : x
  2. Step 2: Convert to fraction form
    3,423.45/5,132.13 = 1,231.59/x
  3. Step 3: Cross multiply
    3,423.45x = 5,132.13 × 1,231.59
  4. Step 4: Simplify right side
    3,423.45x = 6,320,679.99
  5. Step 5: Solve for x
    x = 6,320,679.99/3,423.45
  6. Step 6: Final answer
    x = 1,846.29

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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.