Home / 3,234.99-4,465.97-2,178.32

Finding the Fourth Proportional to 3,234.99, 4,465.97 and 2,178.32

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Solution

The fourth proportional to 3,234.99, 4,465.97 and 2,178.32 is: 3,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.99 : 4,465.97 = 2,178.32 : x
  2. Step 2: Convert to fraction form
    3,234.99/4,465.97 = 2,178.32/x
  3. Step 3: Cross multiply
    3,234.99x = 4,465.97 × 2,178.32
  4. Step 4: Simplify right side
    3,234.99x = 9,728,294.89
  5. Step 5: Solve for x
    x = 9,728,294.89/3,234.99
  6. Step 6: Final answer
    x = 3,007.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.