Home / 3,423.24-5,124.06-1,861.56

Finding the Fourth Proportional to 3,423.24, 5,124.06 and 1,861.56

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Solution

The fourth proportional to 3,423.24, 5,124.06 and 1,861.56 is: 2,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.24 : 5,124.06 = 1,861.56 : x
  2. Step 2: Convert to fraction form
    3,423.24/5,124.06 = 1,861.56/x
  3. Step 3: Cross multiply
    3,423.24x = 5,124.06 × 1,861.56
  4. Step 4: Simplify right side
    3,423.24x = 9,538,745.13
  5. Step 5: Solve for x
    x = 9,538,745.13/3,423.24
  6. Step 6: Final answer
    x = 2,786.47

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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.