Home / 3,670.43-5,492-2,190.45

Finding the Fourth Proportional to 3,670.43, 5,492 and 2,190.45

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Solution

The fourth proportional to 3,670.43, 5,492 and 2,190.45 is: 3,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.43 : 5,492 = 2,190.45 : x
  2. Step 2: Convert to fraction form
    3,670.43/5,492 = 2,190.45/x
  3. Step 3: Cross multiply
    3,670.43x = 5,492 × 2,190.45
  4. Step 4: Simplify right side
    3,670.43x = 12,029,951.40
  5. Step 5: Solve for x
    x = 12,029,951.40/3,670.43
  6. Step 6: Final answer
    x = 3,277.53

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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.