Home / 2,624.90-3,937.55-1,940.04

Finding the Fourth Proportional to 2,624.90, 3,937.55 and 1,940.04

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Solution

The fourth proportional to 2,624.90, 3,937.55 and 1,940.04 is: 2,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.90 : 3,937.55 = 1,940.04 : x
  2. Step 2: Convert to fraction form
    2,624.90/3,937.55 = 1,940.04/x
  3. Step 3: Cross multiply
    2,624.90x = 3,937.55 × 1,940.04
  4. Step 4: Simplify right side
    2,624.90x = 7,638,994.80
  5. Step 5: Solve for x
    x = 7,638,994.80/2,624.90
  6. Step 6: Final answer
    x = 2,910.21

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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.