Home / 3,480.08-5,219.32-2,074.89

Finding the Fourth Proportional to 3,480.08, 5,219.32 and 2,074.89

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Solution

The fourth proportional to 3,480.08, 5,219.32 and 2,074.89 is: 3,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.08 : 5,219.32 = 2,074.89 : x
  2. Step 2: Convert to fraction form
    3,480.08/5,219.32 = 2,074.89/x
  3. Step 3: Cross multiply
    3,480.08x = 5,219.32 × 2,074.89
  4. Step 4: Simplify right side
    3,480.08x = 10,829,522.74
  5. Step 5: Solve for x
    x = 10,829,522.74/3,480.08
  6. Step 6: Final answer
    x = 3,111.86

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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.