Home / 3,379.42-5,068.96-1,299.03

Finding the Fourth Proportional to 3,379.42, 5,068.96 and 1,299.03

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Solution

The fourth proportional to 3,379.42, 5,068.96 and 1,299.03 is: 1,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.42 : 5,068.96 = 1,299.03 : x
  2. Step 2: Convert to fraction form
    3,379.42/5,068.96 = 1,299.03/x
  3. Step 3: Cross multiply
    3,379.42x = 5,068.96 × 1,299.03
  4. Step 4: Simplify right side
    3,379.42x = 6,584,731.11
  5. Step 5: Solve for x
    x = 6,584,731.11/3,379.42
  6. Step 6: Final answer
    x = 1,948.48

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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.