Home / 3,206.43-4,423.37-1,879.34

Finding the Fourth Proportional to 3,206.43, 4,423.37 and 1,879.34

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Solution

The fourth proportional to 3,206.43, 4,423.37 and 1,879.34 is: 2,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.43 : 4,423.37 = 1,879.34 : x
  2. Step 2: Convert to fraction form
    3,206.43/4,423.37 = 1,879.34/x
  3. Step 3: Cross multiply
    3,206.43x = 4,423.37 × 1,879.34
  4. Step 4: Simplify right side
    3,206.43x = 8,312,984.66
  5. Step 5: Solve for x
    x = 8,312,984.66/3,206.43
  6. Step 6: Final answer
    x = 2,592.60

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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.