Home / 3,423.33-5,134.86-1,230.80

Finding the Fourth Proportional to 3,423.33, 5,134.86 and 1,230.80

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Solution

The fourth proportional to 3,423.33, 5,134.86 and 1,230.80 is: 1,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.33 : 5,134.86 = 1,230.80 : x
  2. Step 2: Convert to fraction form
    3,423.33/5,134.86 = 1,230.80/x
  3. Step 3: Cross multiply
    3,423.33x = 5,134.86 × 1,230.80
  4. Step 4: Simplify right side
    3,423.33x = 6,319,960.01
  5. Step 5: Solve for x
    x = 6,319,960.01/3,423.33
  6. Step 6: Final answer
    x = 1,846.14

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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.