Home / 3,329.50-4,991.52-1,383.10

Finding the Fourth Proportional to 3,329.50, 4,991.52 and 1,383.10

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Solution

The fourth proportional to 3,329.50, 4,991.52 and 1,383.10 is: 2,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.50 : 4,991.52 = 1,383.10 : x
  2. Step 2: Convert to fraction form
    3,329.50/4,991.52 = 1,383.10/x
  3. Step 3: Cross multiply
    3,329.50x = 4,991.52 × 1,383.10
  4. Step 4: Simplify right side
    3,329.50x = 6,903,771.31
  5. Step 5: Solve for x
    x = 6,903,771.31/3,329.50
  6. Step 6: Final answer
    x = 2,073.52

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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.