Home / 3,379.88-4,666.29-2,319.38

Finding the Fourth Proportional to 3,379.88, 4,666.29 and 2,319.38

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Solution

The fourth proportional to 3,379.88, 4,666.29 and 2,319.38 is: 3,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.88 : 4,666.29 = 2,319.38 : x
  2. Step 2: Convert to fraction form
    3,379.88/4,666.29 = 2,319.38/x
  3. Step 3: Cross multiply
    3,379.88x = 4,666.29 × 2,319.38
  4. Step 4: Simplify right side
    3,379.88x = 10,822,911.37
  5. Step 5: Solve for x
    x = 10,822,911.37/3,379.88
  6. Step 6: Final answer
    x = 3,202.16

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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.