Home / 3,423.72-5,125.09-2,192.32

Finding the Fourth Proportional to 3,423.72, 5,125.09 and 2,192.32

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Solution

The fourth proportional to 3,423.72, 5,125.09 and 2,192.32 is: 3,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.72 : 5,125.09 = 2,192.32 : x
  2. Step 2: Convert to fraction form
    3,423.72/5,125.09 = 2,192.32/x
  3. Step 3: Cross multiply
    3,423.72x = 5,125.09 × 2,192.32
  4. Step 4: Simplify right side
    3,423.72x = 11,235,837.31
  5. Step 5: Solve for x
    x = 11,235,837.31/3,423.72
  6. Step 6: Final answer
    x = 3,281.76

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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.