Home / 3,379.01-4,662.81-1,887.06

Finding the Fourth Proportional to 3,379.01, 4,662.81 and 1,887.06

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Solution

The fourth proportional to 3,379.01, 4,662.81 and 1,887.06 is: 2,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.01 : 4,662.81 = 1,887.06 : x
  2. Step 2: Convert to fraction form
    3,379.01/4,662.81 = 1,887.06/x
  3. Step 3: Cross multiply
    3,379.01x = 4,662.81 × 1,887.06
  4. Step 4: Simplify right side
    3,379.01x = 8,798,992.80
  5. Step 5: Solve for x
    x = 8,798,992.80/3,379.01
  6. Step 6: Final answer
    x = 2,604.02

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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.