Home / 3,399.12-4,686.40-2,201.99

Finding the Fourth Proportional to 3,399.12, 4,686.40 and 2,201.99

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Solution

The fourth proportional to 3,399.12, 4,686.40 and 2,201.99 is: 3,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.12 : 4,686.40 = 2,201.99 : x
  2. Step 2: Convert to fraction form
    3,399.12/4,686.40 = 2,201.99/x
  3. Step 3: Cross multiply
    3,399.12x = 4,686.40 × 2,201.99
  4. Step 4: Simplify right side
    3,399.12x = 10,319,385.26
  5. Step 5: Solve for x
    x = 10,319,385.26/3,399.12
  6. Step 6: Final answer
    x = 3,035.90

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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.