Home / 3,590.12-5,382.62-2,909.16

Finding the Fourth Proportional to 3,590.12, 5,382.62 and 2,909.16

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Solution

The fourth proportional to 3,590.12, 5,382.62 and 2,909.16 is: 4,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.12 : 5,382.62 = 2,909.16 : x
  2. Step 2: Convert to fraction form
    3,590.12/5,382.62 = 2,909.16/x
  3. Step 3: Cross multiply
    3,590.12x = 5,382.62 × 2,909.16
  4. Step 4: Simplify right side
    3,590.12x = 15,658,902.80
  5. Step 5: Solve for x
    x = 15,658,902.80/3,590.12
  6. Step 6: Final answer
    x = 4,361.67

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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.