Home / 3,355.80-5,033.70-3,298.20

Finding the Fourth Proportional to 3,355.80, 5,033.70 and 3,298.20

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Solution

The fourth proportional to 3,355.80, 5,033.70 and 3,298.20 is: 4,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.80 : 5,033.70 = 3,298.20 : x
  2. Step 2: Convert to fraction form
    3,355.80/5,033.70 = 3,298.20/x
  3. Step 3: Cross multiply
    3,355.80x = 5,033.70 × 3,298.20
  4. Step 4: Simplify right side
    3,355.80x = 16,602,149.34
  5. Step 5: Solve for x
    x = 16,602,149.34/3,355.80
  6. Step 6: Final answer
    x = 4,947.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.