Home / 3,195.30-4,409.50-1,798.05

Finding the Fourth Proportional to 3,195.30, 4,409.50 and 1,798.05

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Solution

The fourth proportional to 3,195.30, 4,409.50 and 1,798.05 is: 2,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.30 : 4,409.50 = 1,798.05 : x
  2. Step 2: Convert to fraction form
    3,195.30/4,409.50 = 1,798.05/x
  3. Step 3: Cross multiply
    3,195.30x = 4,409.50 × 1,798.05
  4. Step 4: Simplify right side
    3,195.30x = 7,928,501.48
  5. Step 5: Solve for x
    x = 7,928,501.48/3,195.30
  6. Step 6: Final answer
    x = 2,481.30

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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.