Home / 3,235.92-4,465.50-1,819.80

Finding the Fourth Proportional to 3,235.92, 4,465.50 and 1,819.80

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Solution

The fourth proportional to 3,235.92, 4,465.50 and 1,819.80 is: 2,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.92 : 4,465.50 = 1,819.80 : x
  2. Step 2: Convert to fraction form
    3,235.92/4,465.50 = 1,819.80/x
  3. Step 3: Cross multiply
    3,235.92x = 4,465.50 × 1,819.80
  4. Step 4: Simplify right side
    3,235.92x = 8,126,316.90
  5. Step 5: Solve for x
    x = 8,126,316.90/3,235.92
  6. Step 6: Final answer
    x = 2,511.28

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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.