Home / 3,206.32-4,423.98-1,879.94

Finding the Fourth Proportional to 3,206.32, 4,423.98 and 1,879.94

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Solution

The fourth proportional to 3,206.32, 4,423.98 and 1,879.94 is: 2,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.32 : 4,423.98 = 1,879.94 : x
  2. Step 2: Convert to fraction form
    3,206.32/4,423.98 = 1,879.94/x
  3. Step 3: Cross multiply
    3,206.32x = 4,423.98 × 1,879.94
  4. Step 4: Simplify right side
    3,206.32x = 8,316,816.96
  5. Step 5: Solve for x
    x = 8,316,816.96/3,206.32
  6. Step 6: Final answer
    x = 2,593.88

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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.